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Finding the Fourth Proportional to 6,897.52, 9,518.62 and 3,753.74

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Solution

The fourth proportional to 6,897.52, 9,518.62 and 3,753.74 is: 5,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.52 : 9,518.62 = 3,753.74 : x
  2. Step 2: Convert to fraction form
    6,897.52/9,518.62 = 3,753.74/x
  3. Step 3: Cross multiply
    6,897.52x = 9,518.62 × 3,753.74
  4. Step 4: Simplify right side
    6,897.52x = 35,730,424.64
  5. Step 5: Solve for x
    x = 35,730,424.64/6,897.52
  6. Step 6: Final answer
    x = 5,180.18

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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.