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Finding the Fourth Proportional to 8,871.68, 12,244.80 and 5,095.52

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Solution

The fourth proportional to 8,871.68, 12,244.80 and 5,095.52 is: 7,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.68 : 12,244.80 = 5,095.52 : x
  2. Step 2: Convert to fraction form
    8,871.68/12,244.80 = 5,095.52/x
  3. Step 3: Cross multiply
    8,871.68x = 12,244.80 × 5,095.52
  4. Step 4: Simplify right side
    8,871.68x = 62,393,623.30
  5. Step 5: Solve for x
    x = 62,393,623.30/8,871.68
  6. Step 6: Final answer
    x = 7,032.90

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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.