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Finding the Fourth Proportional to 40,585.88, 56,008.80 and 22,681.64

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Solution

The fourth proportional to 40,585.88, 56,008.80 and 22,681.64 is: 31,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,585.88 : 56,008.80 = 22,681.64 : x
  2. Step 2: Convert to fraction form
    40,585.88/56,008.80 = 22,681.64/x
  3. Step 3: Cross multiply
    40,585.88x = 56,008.80 × 22,681.64
  4. Step 4: Simplify right side
    40,585.88x = 1,270,371,438.43
  5. Step 5: Solve for x
    x = 1,270,371,438.43/40,585.88
  6. Step 6: Final answer
    x = 31,300.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.