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Finding the Fourth Proportional to 15,111.42, 22,644.05 and 6,341.55

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Solution

The fourth proportional to 15,111.42, 22,644.05 and 6,341.55 is: 9,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.42 : 22,644.05 = 6,341.55 : x
  2. Step 2: Convert to fraction form
    15,111.42/22,644.05 = 6,341.55/x
  3. Step 3: Cross multiply
    15,111.42x = 22,644.05 × 6,341.55
  4. Step 4: Simplify right side
    15,111.42x = 143,598,375.28
  5. Step 5: Solve for x
    x = 143,598,375.28/15,111.42
  6. Step 6: Final answer
    x = 9,502.64

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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.