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Finding the Fourth Proportional to 32,489.92, 44,836 and 18,342.48

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Solution

The fourth proportional to 32,489.92, 44,836 and 18,342.48 is: 25,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,489.92 : 44,836 = 18,342.48 : x
  2. Step 2: Convert to fraction form
    32,489.92/44,836 = 18,342.48/x
  3. Step 3: Cross multiply
    32,489.92x = 44,836 × 18,342.48
  4. Step 4: Simplify right side
    32,489.92x = 822,403,433.28
  5. Step 5: Solve for x
    x = 822,403,433.28/32,489.92
  6. Step 6: Final answer
    x = 25,312.57

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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.