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Finding the Fourth Proportional to 40,151.66, 55,407.66 and 22,247.42

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Solution

The fourth proportional to 40,151.66, 55,407.66 and 22,247.42 is: 30,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.66 : 55,407.66 = 22,247.42 : x
  2. Step 2: Convert to fraction form
    40,151.66/55,407.66 = 22,247.42/x
  3. Step 3: Cross multiply
    40,151.66x = 55,407.66 × 22,247.42
  4. Step 4: Simplify right side
    40,151.66x = 1,232,677,483.24
  5. Step 5: Solve for x
    x = 1,232,677,483.24/40,151.66
  6. Step 6: Final answer
    x = 30,700.54

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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.