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Finding the Fourth Proportional to 58,966.78, 88,351.62 and 25,636.90

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Solution

The fourth proportional to 58,966.78, 88,351.62 and 25,636.90 is: 38,412.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,966.78 : 88,351.62 = 25,636.90 : x
  2. Step 2: Convert to fraction form
    58,966.78/88,351.62 = 25,636.90/x
  3. Step 3: Cross multiply
    58,966.78x = 88,351.62 × 25,636.90
  4. Step 4: Simplify right side
    58,966.78x = 2,265,061,646.78
  5. Step 5: Solve for x
    x = 2,265,061,646.78/58,966.78
  6. Step 6: Final answer
    x = 38,412.50

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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.