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Finding the Fourth Proportional to 39,234.60, 58,851.90 and 9,652.20

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Solution

The fourth proportional to 39,234.60, 58,851.90 and 9,652.20 is: 14,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.60 : 58,851.90 = 9,652.20 : x
  2. Step 2: Convert to fraction form
    39,234.60/58,851.90 = 9,652.20/x
  3. Step 3: Cross multiply
    39,234.60x = 58,851.90 × 9,652.20
  4. Step 4: Simplify right side
    39,234.60x = 568,050,309.18
  5. Step 5: Solve for x
    x = 568,050,309.18/39,234.60
  6. Step 6: Final answer
    x = 14,478.30

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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.