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Finding the Fourth Proportional to 52,513.13, 78,746.49 and 15,064.70

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Solution

The fourth proportional to 52,513.13, 78,746.49 and 15,064.70 is: 22,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,513.13 : 78,746.49 = 15,064.70 : x
  2. Step 2: Convert to fraction form
    52,513.13/78,746.49 = 15,064.70/x
  3. Step 3: Cross multiply
    52,513.13x = 78,746.49 × 15,064.70
  4. Step 4: Simplify right side
    52,513.13x = 1,186,291,854.17
  5. Step 5: Solve for x
    x = 1,186,291,854.17/52,513.13
  6. Step 6: Final answer
    x = 22,590.39

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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.