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Finding the Fourth Proportional to 9,166.78, 13,752.23 and 2,927.15

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Solution

The fourth proportional to 9,166.78, 13,752.23 and 2,927.15 is: 4,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.78 : 13,752.23 = 2,927.15 : x
  2. Step 2: Convert to fraction form
    9,166.78/13,752.23 = 2,927.15/x
  3. Step 3: Cross multiply
    9,166.78x = 13,752.23 × 2,927.15
  4. Step 4: Simplify right side
    9,166.78x = 40,254,840.04
  5. Step 5: Solve for x
    x = 40,254,840.04/9,166.78
  6. Step 6: Final answer
    x = 4,391.38

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1.5x scale

Why These Related Problems?

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