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Finding the Fourth Proportional to 48,351.35, 72,525.87 and 28,486.82

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Solution

The fourth proportional to 48,351.35, 72,525.87 and 28,486.82 is: 42,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.35 : 72,525.87 = 28,486.82 : x
  2. Step 2: Convert to fraction form
    48,351.35/72,525.87 = 28,486.82/x
  3. Step 3: Cross multiply
    48,351.35x = 72,525.87 × 28,486.82
  4. Step 4: Simplify right side
    48,351.35x = 2,066,031,041.40
  5. Step 5: Solve for x
    x = 2,066,031,041.40/48,351.35
  6. Step 6: Final answer
    x = 42,729.55

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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.