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Finding the Fourth Proportional to 56,404.73, 84,547.56 and 18,929.27

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Solution

The fourth proportional to 56,404.73, 84,547.56 and 18,929.27 is: 28,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404.73 : 84,547.56 = 18,929.27 : x
  2. Step 2: Convert to fraction form
    56,404.73/84,547.56 = 18,929.27/x
  3. Step 3: Cross multiply
    56,404.73x = 84,547.56 × 18,929.27
  4. Step 4: Simplify right side
    56,404.73x = 1,600,423,591.08
  5. Step 5: Solve for x
    x = 1,600,423,591.08/56,404.73
  6. Step 6: Final answer
    x = 28,373.93

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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.