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Finding the Fourth Proportional to 52,272.80, 78,322.80 and 44,496.80

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Solution

The fourth proportional to 52,272.80, 78,322.80 and 44,496.80 is: 66,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.80 : 78,322.80 = 44,496.80 : x
  2. Step 2: Convert to fraction form
    52,272.80/78,322.80 = 44,496.80/x
  3. Step 3: Cross multiply
    52,272.80x = 78,322.80 × 44,496.80
  4. Step 4: Simplify right side
    52,272.80x = 3,485,113,967.04
  5. Step 5: Solve for x
    x = 3,485,113,967.04/52,272.80
  6. Step 6: Final answer
    x = 66,671.65

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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.