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Finding the Fourth Proportional to 56,352.92, 77,763.58 and 30,859.58

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Solution

The fourth proportional to 56,352.92, 77,763.58 and 30,859.58 is: 42,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.92 : 77,763.58 = 30,859.58 : x
  2. Step 2: Convert to fraction form
    56,352.92/77,763.58 = 30,859.58/x
  3. Step 3: Cross multiply
    56,352.92x = 77,763.58 × 30,859.58
  4. Step 4: Simplify right side
    56,352.92x = 2,399,751,418.10
  5. Step 5: Solve for x
    x = 2,399,751,418.10/56,352.92
  6. Step 6: Final answer
    x = 42,584.33

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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.