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Finding the Fourth Proportional to 8,750.08, 12,072.48 and 5,393.28

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Solution

The fourth proportional to 8,750.08, 12,072.48 and 5,393.28 is: 7,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.08 : 12,072.48 = 5,393.28 : x
  2. Step 2: Convert to fraction form
    8,750.08/12,072.48 = 5,393.28/x
  3. Step 3: Cross multiply
    8,750.08x = 12,072.48 × 5,393.28
  4. Step 4: Simplify right side
    8,750.08x = 65,110,264.93
  5. Step 5: Solve for x
    x = 65,110,264.93/8,750.08
  6. Step 6: Final answer
    x = 7,441.11

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Why These Related Problems?

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