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Finding the Fourth Proportional to 32,946.40, 49,397.76 and 18,162.40

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Solution

The fourth proportional to 32,946.40, 49,397.76 and 18,162.40 is: 27,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,946.40 : 49,397.76 = 18,162.40 : x
  2. Step 2: Convert to fraction form
    32,946.40/49,397.76 = 18,162.40/x
  3. Step 3: Cross multiply
    32,946.40x = 49,397.76 × 18,162.40
  4. Step 4: Simplify right side
    32,946.40x = 897,181,876.22
  5. Step 5: Solve for x
    x = 897,181,876.22/32,946.40
  6. Step 6: Final answer
    x = 27,231.56

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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.