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Finding the Fourth Proportional to 64,993.57, 97,490.34 and 23,440.57

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Solution

The fourth proportional to 64,993.57, 97,490.34 and 23,440.57 is: 35,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,993.57 : 97,490.34 = 23,440.57 : x
  2. Step 2: Convert to fraction form
    64,993.57/97,490.34 = 23,440.57/x
  3. Step 3: Cross multiply
    64,993.57x = 97,490.34 × 23,440.57
  4. Step 4: Simplify right side
    64,993.57x = 2,285,229,139.09
  5. Step 5: Solve for x
    x = 2,285,229,139.09/64,993.57
  6. Step 6: Final answer
    x = 35,160.85

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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.