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Finding the Fourth Proportional to 53,308.68, 73,877.16 and 52,557

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Solution

The fourth proportional to 53,308.68, 73,877.16 and 52,557 is: 72,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.68 : 73,877.16 = 52,557 : x
  2. Step 2: Convert to fraction form
    53,308.68/73,877.16 = 52,557/x
  3. Step 3: Cross multiply
    53,308.68x = 73,877.16 × 52,557
  4. Step 4: Simplify right side
    53,308.68x = 3,882,761,898.12
  5. Step 5: Solve for x
    x = 3,882,761,898.12/53,308.68
  6. Step 6: Final answer
    x = 72,835.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.