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Finding the Fourth Proportional to 32,479.45, 48,721.03 and 9,107.71

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Solution

The fourth proportional to 32,479.45, 48,721.03 and 9,107.71 is: 13,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.45 : 48,721.03 = 9,107.71 : x
  2. Step 2: Convert to fraction form
    32,479.45/48,721.03 = 9,107.71/x
  3. Step 3: Cross multiply
    32,479.45x = 48,721.03 × 9,107.71
  4. Step 4: Simplify right side
    32,479.45x = 443,736,867.57
  5. Step 5: Solve for x
    x = 443,736,867.57/32,479.45
  6. Step 6: Final answer
    x = 13,662.08

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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.