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Finding the Fourth Proportional to 32,443.80, 48,659.70 and 9,065.40

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Solution

The fourth proportional to 32,443.80, 48,659.70 and 9,065.40 is: 13,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,443.80 : 48,659.70 = 9,065.40 : x
  2. Step 2: Convert to fraction form
    32,443.80/48,659.70 = 9,065.40/x
  3. Step 3: Cross multiply
    32,443.80x = 48,659.70 × 9,065.40
  4. Step 4: Simplify right side
    32,443.80x = 441,119,644.38
  5. Step 5: Solve for x
    x = 441,119,644.38/32,443.80
  6. Step 6: Final answer
    x = 13,596.42

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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.