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Finding the Fourth Proportional to 56,866.80, 85,322.19 and 23,578.32

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Solution

The fourth proportional to 56,866.80, 85,322.19 and 23,578.32 is: 35,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.80 : 85,322.19 = 23,578.32 : x
  2. Step 2: Convert to fraction form
    56,866.80/85,322.19 = 23,578.32/x
  3. Step 3: Cross multiply
    56,866.80x = 85,322.19 × 23,578.32
  4. Step 4: Simplify right side
    56,866.80x = 2,011,753,898.92
  5. Step 5: Solve for x
    x = 2,011,753,898.92/56,866.80
  6. Step 6: Final answer
    x = 35,376.60

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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.