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Finding the Fourth Proportional to 42,197.60, 58,275.60 and 29,600.48

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Solution

The fourth proportional to 42,197.60, 58,275.60 and 29,600.48 is: 40,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,197.60 : 58,275.60 = 29,600.48 : x
  2. Step 2: Convert to fraction form
    42,197.60/58,275.60 = 29,600.48/x
  3. Step 3: Cross multiply
    42,197.60x = 58,275.60 × 29,600.48
  4. Step 4: Simplify right side
    42,197.60x = 1,724,985,732.29
  5. Step 5: Solve for x
    x = 1,724,985,732.29/42,197.60
  6. Step 6: Final answer
    x = 40,878.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.