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Finding the Fourth Proportional to 4,886.32, 7,329.48 and 2,693.92

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Solution

The fourth proportional to 4,886.32, 7,329.48 and 2,693.92 is: 4,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.32 : 7,329.48 = 2,693.92 : x
  2. Step 2: Convert to fraction form
    4,886.32/7,329.48 = 2,693.92/x
  3. Step 3: Cross multiply
    4,886.32x = 7,329.48 × 2,693.92
  4. Step 4: Simplify right side
    4,886.32x = 19,745,032.76
  5. Step 5: Solve for x
    x = 19,745,032.76/4,886.32
  6. Step 6: Final answer
    x = 4,040.88

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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.