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Finding the Fourth Proportional to 60,002.80, 89,885.40 and 52,615.60

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Solution

The fourth proportional to 60,002.80, 89,885.40 and 52,615.60 is: 78,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.80 : 89,885.40 = 52,615.60 : x
  2. Step 2: Convert to fraction form
    60,002.80/89,885.40 = 52,615.60/x
  3. Step 3: Cross multiply
    60,002.80x = 89,885.40 × 52,615.60
  4. Step 4: Simplify right side
    60,002.80x = 4,729,374,252.24
  5. Step 5: Solve for x
    x = 4,729,374,252.24/60,002.80
  6. Step 6: Final answer
    x = 78,819.23

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1.5x scale

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.