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Finding the Fourth Proportional to 8,593.70, 12,888.77 and 3,047.22

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Solution

The fourth proportional to 8,593.70, 12,888.77 and 3,047.22 is: 4,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.70 : 12,888.77 = 3,047.22 : x
  2. Step 2: Convert to fraction form
    8,593.70/12,888.77 = 3,047.22/x
  3. Step 3: Cross multiply
    8,593.70x = 12,888.77 × 3,047.22
  4. Step 4: Simplify right side
    8,593.70x = 39,274,902.48
  5. Step 5: Solve for x
    x = 39,274,902.48/8,593.70
  6. Step 6: Final answer
    x = 4,570.20

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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.