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Finding the Fourth Proportional to 52,631, 78,985.38 and 24,929

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Solution

The fourth proportional to 52,631, 78,985.38 and 24,929 is: 37,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631 : 78,985.38 = 24,929 : x
  2. Step 2: Convert to fraction form
    52,631/78,985.38 = 24,929/x
  3. Step 3: Cross multiply
    52,631x = 78,985.38 × 24,929
  4. Step 4: Simplify right side
    52,631x = 1,969,026,538.02
  5. Step 5: Solve for x
    x = 1,969,026,538.02/52,631
  6. Step 6: Final answer
    x = 37,411.92

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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.