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Finding the Fourth Proportional to 60,459.60, 83,421.36 and 36,581.52

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Solution

The fourth proportional to 60,459.60, 83,421.36 and 36,581.52 is: 50,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459.60 : 83,421.36 = 36,581.52 : x
  2. Step 2: Convert to fraction form
    60,459.60/83,421.36 = 36,581.52/x
  3. Step 3: Cross multiply
    60,459.60x = 83,421.36 × 36,581.52
  4. Step 4: Simplify right side
    60,459.60x = 3,051,680,149.27
  5. Step 5: Solve for x
    x = 3,051,680,149.27/60,459.60
  6. Step 6: Final answer
    x = 50,474.70

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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.