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Finding the Fourth Proportional to 40,560.68, 55,973.12 and 22,655.93

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Solution

The fourth proportional to 40,560.68, 55,973.12 and 22,655.93 is: 31,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,560.68 : 55,973.12 = 22,655.93 : x
  2. Step 2: Convert to fraction form
    40,560.68/55,973.12 = 22,655.93/x
  3. Step 3: Cross multiply
    40,560.68x = 55,973.12 × 22,655.93
  4. Step 4: Simplify right side
    40,560.68x = 1,268,122,695.46
  5. Step 5: Solve for x
    x = 1,268,122,695.46/40,560.68
  6. Step 6: Final answer
    x = 31,264.83

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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.