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Finding the Fourth Proportional to 8,725.24, 12,040.80 and 4,746.28

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Solution

The fourth proportional to 8,725.24, 12,040.80 and 4,746.28 is: 6,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.24 : 12,040.80 = 4,746.28 : x
  2. Step 2: Convert to fraction form
    8,725.24/12,040.80 = 4,746.28/x
  3. Step 3: Cross multiply
    8,725.24x = 12,040.80 × 4,746.28
  4. Step 4: Simplify right side
    8,725.24x = 57,149,008.22
  5. Step 5: Solve for x
    x = 57,149,008.22/8,725.24
  6. Step 6: Final answer
    x = 6,549.85

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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.