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Finding the Fourth Proportional to 15,601.60, 23,353.80 and 9,008.20

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Solution

The fourth proportional to 15,601.60, 23,353.80 and 9,008.20 is: 13,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.60 : 23,353.80 = 9,008.20 : x
  2. Step 2: Convert to fraction form
    15,601.60/23,353.80 = 9,008.20/x
  3. Step 3: Cross multiply
    15,601.60x = 23,353.80 × 9,008.20
  4. Step 4: Simplify right side
    15,601.60x = 210,375,701.16
  5. Step 5: Solve for x
    x = 210,375,701.16/15,601.60
  6. Step 6: Final answer
    x = 13,484.24

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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.