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Finding the Fourth Proportional to 2,932.34, 4,398.11 and 740.94

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Solution

The fourth proportional to 2,932.34, 4,398.11 and 740.94 is: 1,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.34 : 4,398.11 = 740.94 : x
  2. Step 2: Convert to fraction form
    2,932.34/4,398.11 = 740.94/x
  3. Step 3: Cross multiply
    2,932.34x = 4,398.11 × 740.94
  4. Step 4: Simplify right side
    2,932.34x = 3,258,731.92
  5. Step 5: Solve for x
    x = 3,258,731.92/2,932.34
  6. Step 6: Final answer
    x = 1,111.31

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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.