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Finding the Fourth Proportional to 1,711.48, 2,361.88 and 965.52

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Solution

The fourth proportional to 1,711.48, 2,361.88 and 965.52 is: 1,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.48 : 2,361.88 = 965.52 : x
  2. Step 2: Convert to fraction form
    1,711.48/2,361.88 = 965.52/x
  3. Step 3: Cross multiply
    1,711.48x = 2,361.88 × 965.52
  4. Step 4: Simplify right side
    1,711.48x = 2,280,442.38
  5. Step 5: Solve for x
    x = 2,280,442.38/1,711.48
  6. Step 6: Final answer
    x = 1,332.44

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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.