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Finding the Fourth Proportional to 43,809.30, 65,730.15 and 17,532.90

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Solution

The fourth proportional to 43,809.30, 65,730.15 and 17,532.90 is: 26,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,809.30 : 65,730.15 = 17,532.90 : x
  2. Step 2: Convert to fraction form
    43,809.30/65,730.15 = 17,532.90/x
  3. Step 3: Cross multiply
    43,809.30x = 65,730.15 × 17,532.90
  4. Step 4: Simplify right side
    43,809.30x = 1,152,440,146.94
  5. Step 5: Solve for x
    x = 1,152,440,146.94/43,809.30
  6. Step 6: Final answer
    x = 26,305.83

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1.5x scale

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.