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Finding the Fourth Proportional to 48,648.66, 72,947.96 and 22,330.50

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Solution

The fourth proportional to 48,648.66, 72,947.96 and 22,330.50 is: 33,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.66 : 72,947.96 = 22,330.50 : x
  2. Step 2: Convert to fraction form
    48,648.66/72,947.96 = 22,330.50/x
  3. Step 3: Cross multiply
    48,648.66x = 72,947.96 × 22,330.50
  4. Step 4: Simplify right side
    48,648.66x = 1,628,964,420.78
  5. Step 5: Solve for x
    x = 1,628,964,420.78/48,648.66
  6. Step 6: Final answer
    x = 33,484.26

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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.