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Finding the Fourth Proportional to 22,751.64, 34,135.56 and 11,663.55

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Solution

The fourth proportional to 22,751.64, 34,135.56 and 11,663.55 is: 17,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.64 : 34,135.56 = 11,663.55 : x
  2. Step 2: Convert to fraction form
    22,751.64/34,135.56 = 11,663.55/x
  3. Step 3: Cross multiply
    22,751.64x = 34,135.56 × 11,663.55
  4. Step 4: Simplify right side
    22,751.64x = 398,141,810.84
  5. Step 5: Solve for x
    x = 398,141,810.84/22,751.64
  6. Step 6: Final answer
    x = 17,499.48

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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.