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Finding the Fourth Proportional to 3,152.73, 4,729.11 and 1,302.60

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Solution

The fourth proportional to 3,152.73, 4,729.11 and 1,302.60 is: 1,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.73 : 4,729.11 = 1,302.60 : x
  2. Step 2: Convert to fraction form
    3,152.73/4,729.11 = 1,302.60/x
  3. Step 3: Cross multiply
    3,152.73x = 4,729.11 × 1,302.60
  4. Step 4: Simplify right side
    3,152.73x = 6,160,138.69
  5. Step 5: Solve for x
    x = 6,160,138.69/3,152.73
  6. Step 6: Final answer
    x = 1,953.91

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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.