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Finding the Fourth Proportional to 2,497.35, 3,746.13 and 853.92

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Solution

The fourth proportional to 2,497.35, 3,746.13 and 853.92 is: 1,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.35 : 3,746.13 = 853.92 : x
  2. Step 2: Convert to fraction form
    2,497.35/3,746.13 = 853.92/x
  3. Step 3: Cross multiply
    2,497.35x = 3,746.13 × 853.92
  4. Step 4: Simplify right side
    2,497.35x = 3,198,895.33
  5. Step 5: Solve for x
    x = 3,198,895.33/2,497.35
  6. Step 6: Final answer
    x = 1,280.92

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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.