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Finding the Fourth Proportional to 7,451.99, 10,280.80 and 4,800.93

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Solution

The fourth proportional to 7,451.99, 10,280.80 and 4,800.93 is: 6,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.99 : 10,280.80 = 4,800.93 : x
  2. Step 2: Convert to fraction form
    7,451.99/10,280.80 = 4,800.93/x
  3. Step 3: Cross multiply
    7,451.99x = 10,280.80 × 4,800.93
  4. Step 4: Simplify right side
    7,451.99x = 49,357,368.59
  5. Step 5: Solve for x
    x = 49,357,368.59/7,451.99
  6. Step 6: Final answer
    x = 6,623.38

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Half scale
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Double scale
Find fourth proportional to 7,452.99, 10,282.18 and 4,801.93
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.