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Finding the Fourth Proportional to 6,750.54, 9,312.57 and 4,391.82

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Solution

The fourth proportional to 6,750.54, 9,312.57 and 4,391.82 is: 6,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.54 : 9,312.57 = 4,391.82 : x
  2. Step 2: Convert to fraction form
    6,750.54/9,312.57 = 4,391.82/x
  3. Step 3: Cross multiply
    6,750.54x = 9,312.57 × 4,391.82
  4. Step 4: Simplify right side
    6,750.54x = 40,899,131.18
  5. Step 5: Solve for x
    x = 40,899,131.18/6,750.54
  6. Step 6: Final answer
    x = 6,058.65

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1.5x scale

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.