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Finding the Fourth Proportional to 6,681.59, 9,220.70 and 3,697.44

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Solution

The fourth proportional to 6,681.59, 9,220.70 and 3,697.44 is: 5,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.59 : 9,220.70 = 3,697.44 : x
  2. Step 2: Convert to fraction form
    6,681.59/9,220.70 = 3,697.44/x
  3. Step 3: Cross multiply
    6,681.59x = 9,220.70 × 3,697.44
  4. Step 4: Simplify right side
    6,681.59x = 34,092,966.52
  5. Step 5: Solve for x
    x = 34,092,966.52/6,681.59
  6. Step 6: Final answer
    x = 5,102.53

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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.