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Finding the Fourth Proportional to 48,642.93, 73,009.86 and 29,959.40

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Solution

The fourth proportional to 48,642.93, 73,009.86 and 29,959.40 is: 44,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.93 : 73,009.86 = 29,959.40 : x
  2. Step 2: Convert to fraction form
    48,642.93/73,009.86 = 29,959.40/x
  3. Step 3: Cross multiply
    48,642.93x = 73,009.86 × 29,959.40
  4. Step 4: Simplify right side
    48,642.93x = 2,187,331,669.86
  5. Step 5: Solve for x
    x = 2,187,331,669.86/48,642.93
  6. Step 6: Final answer
    x = 44,967.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.