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Finding the Fourth Proportional to 15,000.40, 22,501.86 and 6,236.20

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Solution

The fourth proportional to 15,000.40, 22,501.86 and 6,236.20 is: 9,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.40 : 22,501.86 = 6,236.20 : x
  2. Step 2: Convert to fraction form
    15,000.40/22,501.86 = 6,236.20/x
  3. Step 3: Cross multiply
    15,000.40x = 22,501.86 × 6,236.20
  4. Step 4: Simplify right side
    15,000.40x = 140,326,099.33
  5. Step 5: Solve for x
    x = 140,326,099.33/15,000.40
  6. Step 6: Final answer
    x = 9,354.82

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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.