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Finding the Fourth Proportional to 1,753.56, 2,630.88 and 932.76

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Solution

The fourth proportional to 1,753.56, 2,630.88 and 932.76 is: 1,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.56 : 2,630.88 = 932.76 : x
  2. Step 2: Convert to fraction form
    1,753.56/2,630.88 = 932.76/x
  3. Step 3: Cross multiply
    1,753.56x = 2,630.88 × 932.76
  4. Step 4: Simplify right side
    1,753.56x = 2,453,979.63
  5. Step 5: Solve for x
    x = 2,453,979.63/1,753.56
  6. Step 6: Final answer
    x = 1,399.43

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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.