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Finding the Fourth Proportional to 57,960.19, 86,971.07 and 22,900.15

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Solution

The fourth proportional to 57,960.19, 86,971.07 and 22,900.15 is: 34,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.19 : 86,971.07 = 22,900.15 : x
  2. Step 2: Convert to fraction form
    57,960.19/86,971.07 = 22,900.15/x
  3. Step 3: Cross multiply
    57,960.19x = 86,971.07 × 22,900.15
  4. Step 4: Simplify right side
    57,960.19x = 1,991,650,548.66
  5. Step 5: Solve for x
    x = 1,991,650,548.66/57,960.19
  6. Step 6: Final answer
    x = 34,362.39

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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.