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Finding the Fourth Proportional to 56,329.50, 77,734.78 and 35,108.75

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Solution

The fourth proportional to 56,329.50, 77,734.78 and 35,108.75 is: 48,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,329.50 : 77,734.78 = 35,108.75 : x
  2. Step 2: Convert to fraction form
    56,329.50/77,734.78 = 35,108.75/x
  3. Step 3: Cross multiply
    56,329.50x = 77,734.78 × 35,108.75
  4. Step 4: Simplify right side
    56,329.50x = 2,729,170,957.33
  5. Step 5: Solve for x
    x = 2,729,170,957.33/56,329.50
  6. Step 6: Final answer
    x = 48,450.12

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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.