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Finding the Fourth Proportional to 7,494.81, 10,346.98 and 4,511.38

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Solution

The fourth proportional to 7,494.81, 10,346.98 and 4,511.38 is: 6,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.81 : 10,346.98 = 4,511.38 : x
  2. Step 2: Convert to fraction form
    7,494.81/10,346.98 = 4,511.38/x
  3. Step 3: Cross multiply
    7,494.81x = 10,346.98 × 4,511.38
  4. Step 4: Simplify right side
    7,494.81x = 46,679,158.63
  5. Step 5: Solve for x
    x = 46,679,158.63/7,494.81
  6. Step 6: Final answer
    x = 6,228.20

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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.