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Finding the Fourth Proportional to 32,571.69, 44,948.43 and 18,231.90

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Solution

The fourth proportional to 32,571.69, 44,948.43 and 18,231.90 is: 25,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,571.69 : 44,948.43 = 18,231.90 : x
  2. Step 2: Convert to fraction form
    32,571.69/44,948.43 = 18,231.90/x
  3. Step 3: Cross multiply
    32,571.69x = 44,948.43 × 18,231.90
  4. Step 4: Simplify right side
    32,571.69x = 819,495,280.92
  5. Step 5: Solve for x
    x = 819,495,280.92/32,571.69
  6. Step 6: Final answer
    x = 25,159.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.