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Finding the Fourth Proportional to 55,784.80, 83,650.80 and 32,418.40

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Solution

The fourth proportional to 55,784.80, 83,650.80 and 32,418.40 is: 48,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.80 : 83,650.80 = 32,418.40 : x
  2. Step 2: Convert to fraction form
    55,784.80/83,650.80 = 32,418.40/x
  3. Step 3: Cross multiply
    55,784.80x = 83,650.80 × 32,418.40
  4. Step 4: Simplify right side
    55,784.80x = 2,711,825,094.72
  5. Step 5: Solve for x
    x = 2,711,825,094.72/55,784.80
  6. Step 6: Final answer
    x = 48,612.26

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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.