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Finding the Fourth Proportional to 5,853.74, 8,812.44 and 5,251

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Solution

The fourth proportional to 5,853.74, 8,812.44 and 5,251 is: 7,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.74 : 8,812.44 = 5,251 : x
  2. Step 2: Convert to fraction form
    5,853.74/8,812.44 = 5,251/x
  3. Step 3: Cross multiply
    5,853.74x = 8,812.44 × 5,251
  4. Step 4: Simplify right side
    5,853.74x = 46,274,122.44
  5. Step 5: Solve for x
    x = 46,274,122.44/5,853.74
  6. Step 6: Final answer
    x = 7,905.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.