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Finding the Fourth Proportional to 10,652.60, 15,950.10 and 8,348.60

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Solution

The fourth proportional to 10,652.60, 15,950.10 and 8,348.60 is: 12,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.60 : 15,950.10 = 8,348.60 : x
  2. Step 2: Convert to fraction form
    10,652.60/15,950.10 = 8,348.60/x
  3. Step 3: Cross multiply
    10,652.60x = 15,950.10 × 8,348.60
  4. Step 4: Simplify right side
    10,652.60x = 133,161,004.86
  5. Step 5: Solve for x
    x = 133,161,004.86/10,652.60
  6. Step 6: Final answer
    x = 12,500.33

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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.