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Finding the Fourth Proportional to 57,601.60, 86,256.60 and 45,937.60

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Solution

The fourth proportional to 57,601.60, 86,256.60 and 45,937.60 is: 68,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.60 : 86,256.60 = 45,937.60 : x
  2. Step 2: Convert to fraction form
    57,601.60/86,256.60 = 45,937.60/x
  3. Step 3: Cross multiply
    57,601.60x = 86,256.60 × 45,937.60
  4. Step 4: Simplify right side
    57,601.60x = 3,962,421,188.16
  5. Step 5: Solve for x
    x = 3,962,421,188.16/57,601.60
  6. Step 6: Final answer
    x = 68,790.12

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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.