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Finding the Fourth Proportional to 52,902.66, 79,353.63 and 13,459.42

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Solution

The fourth proportional to 52,902.66, 79,353.63 and 13,459.42 is: 20,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,902.66 : 79,353.63 = 13,459.42 : x
  2. Step 2: Convert to fraction form
    52,902.66/79,353.63 = 13,459.42/x
  3. Step 3: Cross multiply
    52,902.66x = 79,353.63 × 13,459.42
  4. Step 4: Simplify right side
    52,902.66x = 1,068,053,834.69
  5. Step 5: Solve for x
    x = 1,068,053,834.69/52,902.66
  6. Step 6: Final answer
    x = 20,189.04

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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.