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Finding the Fourth Proportional to 6,707.68, 10,061.12 and 1,777.12

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Solution

The fourth proportional to 6,707.68, 10,061.12 and 1,777.12 is: 2,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.68 : 10,061.12 = 1,777.12 : x
  2. Step 2: Convert to fraction form
    6,707.68/10,061.12 = 1,777.12/x
  3. Step 3: Cross multiply
    6,707.68x = 10,061.12 × 1,777.12
  4. Step 4: Simplify right side
    6,707.68x = 17,879,817.57
  5. Step 5: Solve for x
    x = 17,879,817.57/6,707.68
  6. Step 6: Final answer
    x = 2,665.57

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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.