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Finding the Fourth Proportional to 10,562.99, 15,841.99 and 3,543.26

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Solution

The fourth proportional to 10,562.99, 15,841.99 and 3,543.26 is: 5,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.99 : 15,841.99 = 3,543.26 : x
  2. Step 2: Convert to fraction form
    10,562.99/15,841.99 = 3,543.26/x
  3. Step 3: Cross multiply
    10,562.99x = 15,841.99 × 3,543.26
  4. Step 4: Simplify right side
    10,562.99x = 56,132,289.49
  5. Step 5: Solve for x
    x = 56,132,289.49/10,562.99
  6. Step 6: Final answer
    x = 5,314.05

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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.