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Finding the Fourth Proportional to 8,869.47, 12,240.50 and 5,093.25

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Solution

The fourth proportional to 8,869.47, 12,240.50 and 5,093.25 is: 7,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.47 : 12,240.50 = 5,093.25 : x
  2. Step 2: Convert to fraction form
    8,869.47/12,240.50 = 5,093.25/x
  3. Step 3: Cross multiply
    8,869.47x = 12,240.50 × 5,093.25
  4. Step 4: Simplify right side
    8,869.47x = 62,343,901.16
  5. Step 5: Solve for x
    x = 62,343,901.16/8,869.47
  6. Step 6: Final answer
    x = 7,029.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.