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Finding the Fourth Proportional to 9,879.93, 14,817.87 and 4,330.22

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Solution

The fourth proportional to 9,879.93, 14,817.87 and 4,330.22 is: 6,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.93 : 14,817.87 = 4,330.22 : x
  2. Step 2: Convert to fraction form
    9,879.93/14,817.87 = 4,330.22/x
  3. Step 3: Cross multiply
    9,879.93x = 14,817.87 × 4,330.22
  4. Step 4: Simplify right side
    9,879.93x = 64,164,637.03
  5. Step 5: Solve for x
    x = 64,164,637.03/9,879.93
  6. Step 6: Final answer
    x = 6,494.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.