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Finding the Fourth Proportional to 38,983.60, 58,518.60 and 24,209.20

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Solution

The fourth proportional to 38,983.60, 58,518.60 and 24,209.20 is: 36,340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.60 : 58,518.60 = 24,209.20 : x
  2. Step 2: Convert to fraction form
    38,983.60/58,518.60 = 24,209.20/x
  3. Step 3: Cross multiply
    38,983.60x = 58,518.60 × 24,209.20
  4. Step 4: Simplify right side
    38,983.60x = 1,416,688,491.12
  5. Step 5: Solve for x
    x = 1,416,688,491.12/38,983.60
  6. Step 6: Final answer
    x = 36,340.63

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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.