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Finding the Fourth Proportional to 40,999.86, 56,580 and 23,095.08

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Solution

The fourth proportional to 40,999.86, 56,580 and 23,095.08 is: 31,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.86 : 56,580 = 23,095.08 : x
  2. Step 2: Convert to fraction form
    40,999.86/56,580 = 23,095.08/x
  3. Step 3: Cross multiply
    40,999.86x = 56,580 × 23,095.08
  4. Step 4: Simplify right side
    40,999.86x = 1,306,719,626.40
  5. Step 5: Solve for x
    x = 1,306,719,626.40/40,999.86
  6. Step 6: Final answer
    x = 31,871.32

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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.