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Finding the Fourth Proportional to 32,685.90, 49,022.39 and 8,987.33

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Solution

The fourth proportional to 32,685.90, 49,022.39 and 8,987.33 is: 13,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.90 : 49,022.39 = 8,987.33 : x
  2. Step 2: Convert to fraction form
    32,685.90/49,022.39 = 8,987.33/x
  3. Step 3: Cross multiply
    32,685.90x = 49,022.39 × 8,987.33
  4. Step 4: Simplify right side
    32,685.90x = 440,580,396.32
  5. Step 5: Solve for x
    x = 440,580,396.32/32,685.90
  6. Step 6: Final answer
    x = 13,479.22

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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.