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Finding the Fourth Proportional to 10,654.88, 15,984.48 and 3,734.24

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Solution

The fourth proportional to 10,654.88, 15,984.48 and 3,734.24 is: 5,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.88 : 15,984.48 = 3,734.24 : x
  2. Step 2: Convert to fraction form
    10,654.88/15,984.48 = 3,734.24/x
  3. Step 3: Cross multiply
    10,654.88x = 15,984.48 × 3,734.24
  4. Step 4: Simplify right side
    10,654.88x = 59,689,884.60
  5. Step 5: Solve for x
    x = 59,689,884.60/10,654.88
  6. Step 6: Final answer
    x = 5,602.12

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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.