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Finding the Fourth Proportional to 2,497.67, 3,746.72 and 854.33

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Solution

The fourth proportional to 2,497.67, 3,746.72 and 854.33 is: 1,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.67 : 3,746.72 = 854.33 : x
  2. Step 2: Convert to fraction form
    2,497.67/3,746.72 = 854.33/x
  3. Step 3: Cross multiply
    2,497.67x = 3,746.72 × 854.33
  4. Step 4: Simplify right side
    2,497.67x = 3,200,931.03
  5. Step 5: Solve for x
    x = 3,200,931.03/2,497.67
  6. Step 6: Final answer
    x = 1,281.57

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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.