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Finding the Fourth Proportional to 43,730.80, 65,612.40 and 17,454.40

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Solution

The fourth proportional to 43,730.80, 65,612.40 and 17,454.40 is: 26,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.80 : 65,612.40 = 17,454.40 : x
  2. Step 2: Convert to fraction form
    43,730.80/65,612.40 = 17,454.40/x
  3. Step 3: Cross multiply
    43,730.80x = 65,612.40 × 17,454.40
  4. Step 4: Simplify right side
    43,730.80x = 1,145,225,074.56
  5. Step 5: Solve for x
    x = 1,145,225,074.56/43,730.80
  6. Step 6: Final answer
    x = 26,188.07

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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.