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Finding the Fourth Proportional to 5,845.72, 8,063.40 and 4,076.68

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Solution

The fourth proportional to 5,845.72, 8,063.40 and 4,076.68 is: 5,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.72 : 8,063.40 = 4,076.68 : x
  2. Step 2: Convert to fraction form
    5,845.72/8,063.40 = 4,076.68/x
  3. Step 3: Cross multiply
    5,845.72x = 8,063.40 × 4,076.68
  4. Step 4: Simplify right side
    5,845.72x = 32,871,901.51
  5. Step 5: Solve for x
    x = 32,871,901.51/5,845.72
  6. Step 6: Final answer
    x = 5,623.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.