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Finding the Fourth Proportional to 10,543.52, 15,820.92 and 6,844.88

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Solution

The fourth proportional to 10,543.52, 15,820.92 and 6,844.88 is: 10,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.52 : 15,820.92 = 6,844.88 : x
  2. Step 2: Convert to fraction form
    10,543.52/15,820.92 = 6,844.88/x
  3. Step 3: Cross multiply
    10,543.52x = 15,820.92 × 6,844.88
  4. Step 4: Simplify right side
    10,543.52x = 108,292,298.89
  5. Step 5: Solve for x
    x = 108,292,298.89/10,543.52
  6. Step 6: Final answer
    x = 10,270.98

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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.