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Finding the Fourth Proportional to 40,490.59, 55,876.63 and 22,341.48

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Solution

The fourth proportional to 40,490.59, 55,876.63 and 22,341.48 is: 30,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.59 : 55,876.63 = 22,341.48 : x
  2. Step 2: Convert to fraction form
    40,490.59/55,876.63 = 22,341.48/x
  3. Step 3: Cross multiply
    40,490.59x = 55,876.63 × 22,341.48
  4. Step 4: Simplify right side
    40,490.59x = 1,248,366,430.00
  5. Step 5: Solve for x
    x = 1,248,366,430.00/40,490.59
  6. Step 6: Final answer
    x = 30,831.03

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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.