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Finding the Fourth Proportional to 52,803.60, 79,059.60 and 41,139.60

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Solution

The fourth proportional to 52,803.60, 79,059.60 and 41,139.60 is: 61,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.60 : 79,059.60 = 41,139.60 : x
  2. Step 2: Convert to fraction form
    52,803.60/79,059.60 = 41,139.60/x
  3. Step 3: Cross multiply
    52,803.60x = 79,059.60 × 41,139.60
  4. Step 4: Simplify right side
    52,803.60x = 3,252,480,320.16
  5. Step 5: Solve for x
    x = 3,252,480,320.16/52,803.60
  6. Step 6: Final answer
    x = 61,595.81

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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.