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Finding the Fourth Proportional to 53,655.60, 80,329.80 and 32,919.60

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Solution

The fourth proportional to 53,655.60, 80,329.80 and 32,919.60 is: 49,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.60 : 80,329.80 = 32,919.60 : x
  2. Step 2: Convert to fraction form
    53,655.60/80,329.80 = 32,919.60/x
  3. Step 3: Cross multiply
    53,655.60x = 80,329.80 × 32,919.60
  4. Step 4: Simplify right side
    53,655.60x = 2,644,424,884.08
  5. Step 5: Solve for x
    x = 2,644,424,884.08/53,655.60
  6. Step 6: Final answer
    x = 49,285.16

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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.