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Finding the Fourth Proportional to 4,479.52, 6,177.36 and 4,312.48

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Solution

The fourth proportional to 4,479.52, 6,177.36 and 4,312.48 is: 5,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.52 : 6,177.36 = 4,312.48 : x
  2. Step 2: Convert to fraction form
    4,479.52/6,177.36 = 4,312.48/x
  3. Step 3: Cross multiply
    4,479.52x = 6,177.36 × 4,312.48
  4. Step 4: Simplify right side
    4,479.52x = 26,639,741.45
  5. Step 5: Solve for x
    x = 26,639,741.45/4,479.52
  6. Step 6: Final answer
    x = 5,947.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.