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Finding the Fourth Proportional to 13,652.42, 20,479.02 and 5,332.10

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Solution

The fourth proportional to 13,652.42, 20,479.02 and 5,332.10 is: 7,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.42 : 20,479.02 = 5,332.10 : x
  2. Step 2: Convert to fraction form
    13,652.42/20,479.02 = 5,332.10/x
  3. Step 3: Cross multiply
    13,652.42x = 20,479.02 × 5,332.10
  4. Step 4: Simplify right side
    13,652.42x = 109,196,182.54
  5. Step 5: Solve for x
    x = 109,196,182.54/13,652.42
  6. Step 6: Final answer
    x = 7,998.30

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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.