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Finding the Fourth Proportional to 10,054.32, 15,079.18 and 3,815.02

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Solution

The fourth proportional to 10,054.32, 15,079.18 and 3,815.02 is: 5,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.32 : 15,079.18 = 3,815.02 : x
  2. Step 2: Convert to fraction form
    10,054.32/15,079.18 = 3,815.02/x
  3. Step 3: Cross multiply
    10,054.32x = 15,079.18 × 3,815.02
  4. Step 4: Simplify right side
    10,054.32x = 57,527,373.28
  5. Step 5: Solve for x
    x = 57,527,373.28/10,054.32
  6. Step 6: Final answer
    x = 5,721.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.