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Finding the Fourth Proportional to 59,663.84, 89,490.64 and 28,066.48

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Solution

The fourth proportional to 59,663.84, 89,490.64 and 28,066.48 is: 42,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,663.84 : 89,490.64 = 28,066.48 : x
  2. Step 2: Convert to fraction form
    59,663.84/89,490.64 = 28,066.48/x
  3. Step 3: Cross multiply
    59,663.84x = 89,490.64 × 28,066.48
  4. Step 4: Simplify right side
    59,663.84x = 2,511,687,257.75
  5. Step 5: Solve for x
    x = 2,511,687,257.75/59,663.84
  6. Step 6: Final answer
    x = 42,097.31

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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.