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Finding the Fourth Proportional to 10,562.13, 15,829.22 and 5,621.13

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Solution

The fourth proportional to 10,562.13, 15,829.22 and 5,621.13 is: 8,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.13 : 15,829.22 = 5,621.13 : x
  2. Step 2: Convert to fraction form
    10,562.13/15,829.22 = 5,621.13/x
  3. Step 3: Cross multiply
    10,562.13x = 15,829.22 × 5,621.13
  4. Step 4: Simplify right side
    10,562.13x = 88,978,117.47
  5. Step 5: Solve for x
    x = 88,978,117.47/10,562.13
  6. Step 6: Final answer
    x = 8,424.26

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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.