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Finding the Fourth Proportional to 40,052.56, 55,276.56 and 22,148.92

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Solution

The fourth proportional to 40,052.56, 55,276.56 and 22,148.92 is: 30,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,052.56 : 55,276.56 = 22,148.92 : x
  2. Step 2: Convert to fraction form
    40,052.56/55,276.56 = 22,148.92/x
  3. Step 3: Cross multiply
    40,052.56x = 55,276.56 × 22,148.92
  4. Step 4: Simplify right side
    40,052.56x = 1,224,316,105.32
  5. Step 5: Solve for x
    x = 1,224,316,105.32/40,052.56
  6. Step 6: Final answer
    x = 30,567.74

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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.