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Finding the Fourth Proportional to 6,977.17, 10,465.78 and 1,712.22

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Solution

The fourth proportional to 6,977.17, 10,465.78 and 1,712.22 is: 2,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.17 : 10,465.78 = 1,712.22 : x
  2. Step 2: Convert to fraction form
    6,977.17/10,465.78 = 1,712.22/x
  3. Step 3: Cross multiply
    6,977.17x = 10,465.78 × 1,712.22
  4. Step 4: Simplify right side
    6,977.17x = 17,919,717.83
  5. Step 5: Solve for x
    x = 17,919,717.83/6,977.17
  6. Step 6: Final answer
    x = 2,568.34

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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.