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Finding the Fourth Proportional to 60,740.80, 91,137.52 and 32,628.04

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Solution

The fourth proportional to 60,740.80, 91,137.52 and 32,628.04 is: 48,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,740.80 : 91,137.52 = 32,628.04 : x
  2. Step 2: Convert to fraction form
    60,740.80/91,137.52 = 32,628.04/x
  3. Step 3: Cross multiply
    60,740.80x = 91,137.52 × 32,628.04
  4. Step 4: Simplify right side
    60,740.80x = 2,973,638,648.06
  5. Step 5: Solve for x
    x = 2,973,638,648.06/60,740.80
  6. Step 6: Final answer
    x = 48,956.20

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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.