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Finding the Fourth Proportional to 62,434.80, 86,159.90 and 33,754.47

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Solution

The fourth proportional to 62,434.80, 86,159.90 and 33,754.47 is: 46,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,434.80 : 86,159.90 = 33,754.47 : x
  2. Step 2: Convert to fraction form
    62,434.80/86,159.90 = 33,754.47/x
  3. Step 3: Cross multiply
    62,434.80x = 86,159.90 × 33,754.47
  4. Step 4: Simplify right side
    62,434.80x = 2,908,281,590.98
  5. Step 5: Solve for x
    x = 2,908,281,590.98/62,434.80
  6. Step 6: Final answer
    x = 46,581.10

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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.