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Finding the Fourth Proportional to 52,551.65, 78,819.01 and 15,103.19

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Solution

The fourth proportional to 52,551.65, 78,819.01 and 15,103.19 is: 22,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,551.65 : 78,819.01 = 15,103.19 : x
  2. Step 2: Convert to fraction form
    52,551.65/78,819.01 = 15,103.19/x
  3. Step 3: Cross multiply
    52,551.65x = 78,819.01 × 15,103.19
  4. Step 4: Simplify right side
    52,551.65x = 1,190,418,642.93
  5. Step 5: Solve for x
    x = 1,190,418,642.93/52,551.65
  6. Step 6: Final answer
    x = 22,652.35

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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.