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Finding the Fourth Proportional to 58,770.40, 88,213.20 and 29,221.60

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Solution

The fourth proportional to 58,770.40, 88,213.20 and 29,221.60 is: 43,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770.40 : 88,213.20 = 29,221.60 : x
  2. Step 2: Convert to fraction form
    58,770.40/88,213.20 = 29,221.60/x
  3. Step 3: Cross multiply
    58,770.40x = 88,213.20 × 29,221.60
  4. Step 4: Simplify right side
    58,770.40x = 2,577,730,845.12
  5. Step 5: Solve for x
    x = 2,577,730,845.12/58,770.40
  6. Step 6: Final answer
    x = 43,861.04

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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.