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Finding the Fourth Proportional to 40,562.36, 55,978.24 and 22,657.76

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Solution

The fourth proportional to 40,562.36, 55,978.24 and 22,657.76 is: 31,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,562.36 : 55,978.24 = 22,657.76 : x
  2. Step 2: Convert to fraction form
    40,562.36/55,978.24 = 22,657.76/x
  3. Step 3: Cross multiply
    40,562.36x = 55,978.24 × 22,657.76
  4. Step 4: Simplify right side
    40,562.36x = 1,268,341,527.14
  5. Step 5: Solve for x
    x = 1,268,341,527.14/40,562.36
  6. Step 6: Final answer
    x = 31,268.93

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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.