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Finding the Fourth Proportional to 8,647.22, 11,933.19 and 5,061.53

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Solution

The fourth proportional to 8,647.22, 11,933.19 and 5,061.53 is: 6,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.22 : 11,933.19 = 5,061.53 : x
  2. Step 2: Convert to fraction form
    8,647.22/11,933.19 = 5,061.53/x
  3. Step 3: Cross multiply
    8,647.22x = 11,933.19 × 5,061.53
  4. Step 4: Simplify right side
    8,647.22x = 60,400,199.18
  5. Step 5: Solve for x
    x = 60,400,199.18/8,647.22
  6. Step 6: Final answer
    x = 6,984.93

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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.