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Finding the Fourth Proportional to 15,691.12, 23,537.50 and 6,926.12

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Solution

The fourth proportional to 15,691.12, 23,537.50 and 6,926.12 is: 10,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.12 : 23,537.50 = 6,926.12 : x
  2. Step 2: Convert to fraction form
    15,691.12/23,537.50 = 6,926.12/x
  3. Step 3: Cross multiply
    15,691.12x = 23,537.50 × 6,926.12
  4. Step 4: Simplify right side
    15,691.12x = 163,023,549.50
  5. Step 5: Solve for x
    x = 163,023,549.50/15,691.12
  6. Step 6: Final answer
    x = 10,389.54

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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.