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Finding the Fourth Proportional to 52,719.72, 79,110.72 and 19,462.92

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Solution

The fourth proportional to 52,719.72, 79,110.72 and 19,462.92 is: 29,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.72 : 79,110.72 = 19,462.92 : x
  2. Step 2: Convert to fraction form
    52,719.72/79,110.72 = 19,462.92/x
  3. Step 3: Cross multiply
    52,719.72x = 79,110.72 × 19,462.92
  4. Step 4: Simplify right side
    52,719.72x = 1,539,725,614.50
  5. Step 5: Solve for x
    x = 1,539,725,614.50/52,719.72
  6. Step 6: Final answer
    x = 29,205.88

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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.