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Finding the Fourth Proportional to 8,706.68, 13,062.23 and 4,030.05

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Solution

The fourth proportional to 8,706.68, 13,062.23 and 4,030.05 is: 6,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.68 : 13,062.23 = 4,030.05 : x
  2. Step 2: Convert to fraction form
    8,706.68/13,062.23 = 4,030.05/x
  3. Step 3: Cross multiply
    8,706.68x = 13,062.23 × 4,030.05
  4. Step 4: Simplify right side
    8,706.68x = 52,641,483.96
  5. Step 5: Solve for x
    x = 52,641,483.96/8,706.68
  6. Step 6: Final answer
    x = 6,046.10

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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.