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Finding the Fourth Proportional to 88,670.57, 133,028.12 and 25,490.80

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Solution

The fourth proportional to 88,670.57, 133,028.12 and 25,490.80 is: 38,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.57 : 133,028.12 = 25,490.80 : x
  2. Step 2: Convert to fraction form
    88,670.57/133,028.12 = 25,490.80/x
  3. Step 3: Cross multiply
    88,670.57x = 133,028.12 × 25,490.80
  4. Step 4: Simplify right side
    88,670.57x = 3,390,993,431.31
  5. Step 5: Solve for x
    x = 3,390,993,431.31/88,670.57
  6. Step 6: Final answer
    x = 38,242.61

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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.