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Finding the Fourth Proportional to 2,497.47, 3,742.76 and 935.90

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Solution

The fourth proportional to 2,497.47, 3,742.76 and 935.90 is: 1,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.47 : 3,742.76 = 935.90 : x
  2. Step 2: Convert to fraction form
    2,497.47/3,742.76 = 935.90/x
  3. Step 3: Cross multiply
    2,497.47x = 3,742.76 × 935.90
  4. Step 4: Simplify right side
    2,497.47x = 3,502,825.69
  5. Step 5: Solve for x
    x = 3,502,825.69/2,497.47
  6. Step 6: Final answer
    x = 1,402.55

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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.