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Finding the Fourth Proportional to 57,981.80, 86,907.90 and 24,696.20

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Solution

The fourth proportional to 57,981.80, 86,907.90 and 24,696.20 is: 37,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.80 : 86,907.90 = 24,696.20 : x
  2. Step 2: Convert to fraction form
    57,981.80/86,907.90 = 24,696.20/x
  3. Step 3: Cross multiply
    57,981.80x = 86,907.90 × 24,696.20
  4. Step 4: Simplify right side
    57,981.80x = 2,146,294,879.98
  5. Step 5: Solve for x
    x = 2,146,294,879.98/57,981.80
  6. Step 6: Final answer
    x = 37,016.70

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1.5x scale

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.