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Finding the Fourth Proportional to 40,422.94, 55,783.67 and 23,655.94

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Solution

The fourth proportional to 40,422.94, 55,783.67 and 23,655.94 is: 32,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422.94 : 55,783.67 = 23,655.94 : x
  2. Step 2: Convert to fraction form
    40,422.94/55,783.67 = 23,655.94/x
  3. Step 3: Cross multiply
    40,422.94x = 55,783.67 × 23,655.94
  4. Step 4: Simplify right side
    40,422.94x = 1,319,614,892.76
  5. Step 5: Solve for x
    x = 1,319,614,892.76/40,422.94
  6. Step 6: Final answer
    x = 32,645.20

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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.