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Finding the Fourth Proportional to 5,840.16, 8,760.24 and 1,944.48

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Solution

The fourth proportional to 5,840.16, 8,760.24 and 1,944.48 is: 2,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.16 : 8,760.24 = 1,944.48 : x
  2. Step 2: Convert to fraction form
    5,840.16/8,760.24 = 1,944.48/x
  3. Step 3: Cross multiply
    5,840.16x = 8,760.24 × 1,944.48
  4. Step 4: Simplify right side
    5,840.16x = 17,034,111.48
  5. Step 5: Solve for x
    x = 17,034,111.48/5,840.16
  6. Step 6: Final answer
    x = 2,916.72

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Double scale
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Similar ratio
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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.