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Finding the Fourth Proportional to 56,711.84, 84,892.80 and 51,873.44

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Solution

The fourth proportional to 56,711.84, 84,892.80 and 51,873.44 is: 77,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.84 : 84,892.80 = 51,873.44 : x
  2. Step 2: Convert to fraction form
    56,711.84/84,892.80 = 51,873.44/x
  3. Step 3: Cross multiply
    56,711.84x = 84,892.80 × 51,873.44
  4. Step 4: Simplify right side
    56,711.84x = 4,403,681,567.23
  5. Step 5: Solve for x
    x = 4,403,681,567.23/56,711.84
  6. Step 6: Final answer
    x = 77,650.13

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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.