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Finding the Fourth Proportional to 55,902.40, 83,853.60 and 32,574.40

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Solution

The fourth proportional to 55,902.40, 83,853.60 and 32,574.40 is: 48,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.40 : 83,853.60 = 32,574.40 : x
  2. Step 2: Convert to fraction form
    55,902.40/83,853.60 = 32,574.40/x
  3. Step 3: Cross multiply
    55,902.40x = 83,853.60 × 32,574.40
  4. Step 4: Simplify right side
    55,902.40x = 2,731,480,707.84
  5. Step 5: Solve for x
    x = 2,731,480,707.84/55,902.40
  6. Step 6: Final answer
    x = 48,861.60

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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.