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Finding the Fourth Proportional to 8,571.74, 12,847.01 and 5,058.19

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Solution

The fourth proportional to 8,571.74, 12,847.01 and 5,058.19 is: 7,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.74 : 12,847.01 = 5,058.19 : x
  2. Step 2: Convert to fraction form
    8,571.74/12,847.01 = 5,058.19/x
  3. Step 3: Cross multiply
    8,571.74x = 12,847.01 × 5,058.19
  4. Step 4: Simplify right side
    8,571.74x = 64,982,598.04
  5. Step 5: Solve for x
    x = 64,982,598.04/8,571.74
  6. Step 6: Final answer
    x = 7,581.03

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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.