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Finding the Fourth Proportional to 962.55, 1,337.24 and 953.55

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Solution

The fourth proportional to 962.55, 1,337.24 and 953.55 is: 1,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.55 : 1,337.24 = 953.55 : x
  2. Step 2: Convert to fraction form
    962.55/1,337.24 = 953.55/x
  3. Step 3: Cross multiply
    962.55x = 1,337.24 × 953.55
  4. Step 4: Simplify right side
    962.55x = 1,275,127.59
  5. Step 5: Solve for x
    x = 1,275,127.59/962.55
  6. Step 6: Final answer
    x = 1,324.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.