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Finding the Fourth Proportional to 57,190.60, 85,802.10 and 17,751.70

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Solution

The fourth proportional to 57,190.60, 85,802.10 and 17,751.70 is: 26,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.60 : 85,802.10 = 17,751.70 : x
  2. Step 2: Convert to fraction form
    57,190.60/85,802.10 = 17,751.70/x
  3. Step 3: Cross multiply
    57,190.60x = 85,802.10 × 17,751.70
  4. Step 4: Simplify right side
    57,190.60x = 1,523,133,138.57
  5. Step 5: Solve for x
    x = 1,523,133,138.57/57,190.60
  6. Step 6: Final answer
    x = 26,632.58

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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.