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Finding the Fourth Proportional to 10,753.92, 16,125.12 and 6,886.08

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Solution

The fourth proportional to 10,753.92, 16,125.12 and 6,886.08 is: 10,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.92 : 16,125.12 = 6,886.08 : x
  2. Step 2: Convert to fraction form
    10,753.92/16,125.12 = 6,886.08/x
  3. Step 3: Cross multiply
    10,753.92x = 16,125.12 × 6,886.08
  4. Step 4: Simplify right side
    10,753.92x = 111,038,866.33
  5. Step 5: Solve for x
    x = 111,038,866.33/10,753.92
  6. Step 6: Final answer
    x = 10,325.43

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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.