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Finding the Fourth Proportional to 61,551.64, 84,952.02 and 36,402.76

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Solution

The fourth proportional to 61,551.64, 84,952.02 and 36,402.76 is: 50,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,551.64 : 84,952.02 = 36,402.76 : x
  2. Step 2: Convert to fraction form
    61,551.64/84,952.02 = 36,402.76/x
  3. Step 3: Cross multiply
    61,551.64x = 84,952.02 × 36,402.76
  4. Step 4: Simplify right side
    61,551.64x = 3,092,487,995.58
  5. Step 5: Solve for x
    x = 3,092,487,995.58/61,551.64
  6. Step 6: Final answer
    x = 50,242.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.