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Finding the Fourth Proportional to 48,229.86, 72,356.63 and 38,953.94

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Solution

The fourth proportional to 48,229.86, 72,356.63 and 38,953.94 is: 58,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.86 : 72,356.63 = 38,953.94 : x
  2. Step 2: Convert to fraction form
    48,229.86/72,356.63 = 38,953.94/x
  3. Step 3: Cross multiply
    48,229.86x = 72,356.63 × 38,953.94
  4. Step 4: Simplify right side
    48,229.86x = 2,818,575,267.07
  5. Step 5: Solve for x
    x = 2,818,575,267.07/48,229.86
  6. Step 6: Final answer
    x = 58,440.46

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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.