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Finding the Fourth Proportional to 15,652.62, 23,484.18 and 5,123.13

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Solution

The fourth proportional to 15,652.62, 23,484.18 and 5,123.13 is: 7,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.62 : 23,484.18 = 5,123.13 : x
  2. Step 2: Convert to fraction form
    15,652.62/23,484.18 = 5,123.13/x
  3. Step 3: Cross multiply
    15,652.62x = 23,484.18 × 5,123.13
  4. Step 4: Simplify right side
    15,652.62x = 120,312,507.08
  5. Step 5: Solve for x
    x = 120,312,507.08/15,652.62
  6. Step 6: Final answer
    x = 7,686.41

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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.