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Finding the Fourth Proportional to 60,988.98, 91,430.88 and 23,575.30

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Solution

The fourth proportional to 60,988.98, 91,430.88 and 23,575.30 is: 35,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,988.98 : 91,430.88 = 23,575.30 : x
  2. Step 2: Convert to fraction form
    60,988.98/91,430.88 = 23,575.30/x
  3. Step 3: Cross multiply
    60,988.98x = 91,430.88 × 23,575.30
  4. Step 4: Simplify right side
    60,988.98x = 2,155,510,425.26
  5. Step 5: Solve for x
    x = 2,155,510,425.26/60,988.98
  6. Step 6: Final answer
    x = 35,342.62

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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.