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Finding the Fourth Proportional to 32,980.60, 49,436.04 and 10,788.04

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Solution

The fourth proportional to 32,980.60, 49,436.04 and 10,788.04 is: 16,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.60 : 49,436.04 = 10,788.04 : x
  2. Step 2: Convert to fraction form
    32,980.60/49,436.04 = 10,788.04/x
  3. Step 3: Cross multiply
    32,980.60x = 49,436.04 × 10,788.04
  4. Step 4: Simplify right side
    32,980.60x = 533,317,976.96
  5. Step 5: Solve for x
    x = 533,317,976.96/32,980.60
  6. Step 6: Final answer
    x = 16,170.66

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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.