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Finding the Fourth Proportional to 48,488.95, 72,734.37 and 15,208.30

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Solution

The fourth proportional to 48,488.95, 72,734.37 and 15,208.30 is: 22,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,488.95 : 72,734.37 = 15,208.30 : x
  2. Step 2: Convert to fraction form
    48,488.95/72,734.37 = 15,208.30/x
  3. Step 3: Cross multiply
    48,488.95x = 72,734.37 × 15,208.30
  4. Step 4: Simplify right side
    48,488.95x = 1,106,166,119.27
  5. Step 5: Solve for x
    x = 1,106,166,119.27/48,488.95
  6. Step 6: Final answer
    x = 22,812.75

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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.