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Finding the Fourth Proportional to 8,526.87, 12,799.03 and 7,041.36

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Solution

The fourth proportional to 8,526.87, 12,799.03 and 7,041.36 is: 10,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.87 : 12,799.03 = 7,041.36 : x
  2. Step 2: Convert to fraction form
    8,526.87/12,799.03 = 7,041.36/x
  3. Step 3: Cross multiply
    8,526.87x = 12,799.03 × 7,041.36
  4. Step 4: Simplify right side
    8,526.87x = 90,122,562.68
  5. Step 5: Solve for x
    x = 90,122,562.68/8,526.87
  6. Step 6: Final answer
    x = 10,569.24

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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.