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Finding the Fourth Proportional to 3,955.98, 5,934.92 and 1,182.88

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Solution

The fourth proportional to 3,955.98, 5,934.92 and 1,182.88 is: 1,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.98 : 5,934.92 = 1,182.88 : x
  2. Step 2: Convert to fraction form
    3,955.98/5,934.92 = 1,182.88/x
  3. Step 3: Cross multiply
    3,955.98x = 5,934.92 × 1,182.88
  4. Step 4: Simplify right side
    3,955.98x = 7,020,298.17
  5. Step 5: Solve for x
    x = 7,020,298.17/3,955.98
  6. Step 6: Final answer
    x = 1,774.60

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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.