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Finding the Fourth Proportional to 56,599.62, 78,107.85 and 35,391.30

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Solution

The fourth proportional to 56,599.62, 78,107.85 and 35,391.30 is: 48,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,599.62 : 78,107.85 = 35,391.30 : x
  2. Step 2: Convert to fraction form
    56,599.62/78,107.85 = 35,391.30/x
  3. Step 3: Cross multiply
    56,599.62x = 78,107.85 × 35,391.30
  4. Step 4: Simplify right side
    56,599.62x = 2,764,338,351.71
  5. Step 5: Solve for x
    x = 2,764,338,351.71/56,599.62
  6. Step 6: Final answer
    x = 48,840.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.