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Finding the Fourth Proportional to 6,101.60, 9,148.08 and 3,761.60

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Solution

The fourth proportional to 6,101.60, 9,148.08 and 3,761.60 is: 5,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.60 : 9,148.08 = 3,761.60 : x
  2. Step 2: Convert to fraction form
    6,101.60/9,148.08 = 3,761.60/x
  3. Step 3: Cross multiply
    6,101.60x = 9,148.08 × 3,761.60
  4. Step 4: Simplify right side
    6,101.60x = 34,411,417.73
  5. Step 5: Solve for x
    x = 34,411,417.73/6,101.60
  6. Step 6: Final answer
    x = 5,639.74

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1.5x scale

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.