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Finding the Fourth Proportional to 6,531.98, 9,008.58 and 4,407.17

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Solution

The fourth proportional to 6,531.98, 9,008.58 and 4,407.17 is: 6,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.98 : 9,008.58 = 4,407.17 : x
  2. Step 2: Convert to fraction form
    6,531.98/9,008.58 = 4,407.17/x
  3. Step 3: Cross multiply
    6,531.98x = 9,008.58 × 4,407.17
  4. Step 4: Simplify right side
    6,531.98x = 39,702,343.52
  5. Step 5: Solve for x
    x = 39,702,343.52/6,531.98
  6. Step 6: Final answer
    x = 6,078.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.