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Finding the Fourth Proportional to 1,462.55, 2,193.75 and 731.52

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Solution

The fourth proportional to 1,462.55, 2,193.75 and 731.52 is: 1,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.55 : 2,193.75 = 731.52 : x
  2. Step 2: Convert to fraction form
    1,462.55/2,193.75 = 731.52/x
  3. Step 3: Cross multiply
    1,462.55x = 2,193.75 × 731.52
  4. Step 4: Simplify right side
    1,462.55x = 1,604,772
  5. Step 5: Solve for x
    x = 1,604,772/1,462.55
  6. Step 6: Final answer
    x = 1,097.25

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Half scale
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Double scale
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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.