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Finding the Fourth Proportional to 71,464.74, 98,614.20 and 41,259.80

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Solution

The fourth proportional to 71,464.74, 98,614.20 and 41,259.80 is: 56,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.74 : 98,614.20 = 41,259.80 : x
  2. Step 2: Convert to fraction form
    71,464.74/98,614.20 = 41,259.80/x
  3. Step 3: Cross multiply
    71,464.74x = 98,614.20 × 41,259.80
  4. Step 4: Simplify right side
    71,464.74x = 4,068,802,169.16
  5. Step 5: Solve for x
    x = 4,068,802,169.16/71,464.74
  6. Step 6: Final answer
    x = 56,934.40

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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.