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Finding the Fourth Proportional to 8,459.10, 12,693.18 and 3,532.11

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Solution

The fourth proportional to 8,459.10, 12,693.18 and 3,532.11 is: 5,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.10 : 12,693.18 = 3,532.11 : x
  2. Step 2: Convert to fraction form
    8,459.10/12,693.18 = 3,532.11/x
  3. Step 3: Cross multiply
    8,459.10x = 12,693.18 × 3,532.11
  4. Step 4: Simplify right side
    8,459.10x = 44,833,708.01
  5. Step 5: Solve for x
    x = 44,833,708.01/8,459.10
  6. Step 6: Final answer
    x = 5,300.06

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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.