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Finding the Fourth Proportional to 52,006.80, 78,010.20 and 25,706.10

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Solution

The fourth proportional to 52,006.80, 78,010.20 and 25,706.10 is: 38,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,006.80 : 78,010.20 = 25,706.10 : x
  2. Step 2: Convert to fraction form
    52,006.80/78,010.20 = 25,706.10/x
  3. Step 3: Cross multiply
    52,006.80x = 78,010.20 × 25,706.10
  4. Step 4: Simplify right side
    52,006.80x = 2,005,338,002.22
  5. Step 5: Solve for x
    x = 2,005,338,002.22/52,006.80
  6. Step 6: Final answer
    x = 38,559.15

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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.