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Finding the Fourth Proportional to 52,473.62, 72,386.30 and 33,320.61

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Solution

The fourth proportional to 52,473.62, 72,386.30 and 33,320.61 is: 45,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.62 : 72,386.30 = 33,320.61 : x
  2. Step 2: Convert to fraction form
    52,473.62/72,386.30 = 33,320.61/x
  3. Step 3: Cross multiply
    52,473.62x = 72,386.30 × 33,320.61
  4. Step 4: Simplify right side
    52,473.62x = 2,411,955,505.04
  5. Step 5: Solve for x
    x = 2,411,955,505.04/52,473.62
  6. Step 6: Final answer
    x = 45,965.11

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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.