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Finding the Fourth Proportional to 2,232.01, 3,348.02 and 915.76

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Solution

The fourth proportional to 2,232.01, 3,348.02 and 915.76 is: 1,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.01 : 3,348.02 = 915.76 : x
  2. Step 2: Convert to fraction form
    2,232.01/3,348.02 = 915.76/x
  3. Step 3: Cross multiply
    2,232.01x = 3,348.02 × 915.76
  4. Step 4: Simplify right side
    2,232.01x = 3,065,982.80
  5. Step 5: Solve for x
    x = 3,065,982.80/2,232.01
  6. Step 6: Final answer
    x = 1,373.64

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Double scale
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Similar ratio
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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.