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Finding the Fourth Proportional to 36,840.70, 55,259.70 and 10,545.40

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Solution

The fourth proportional to 36,840.70, 55,259.70 and 10,545.40 is: 15,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.70 : 55,259.70 = 10,545.40 : x
  2. Step 2: Convert to fraction form
    36,840.70/55,259.70 = 10,545.40/x
  3. Step 3: Cross multiply
    36,840.70x = 55,259.70 × 10,545.40
  4. Step 4: Simplify right side
    36,840.70x = 582,735,640.38
  5. Step 5: Solve for x
    x = 582,735,640.38/36,840.70
  6. Step 6: Final answer
    x = 15,817.71

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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.