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Finding the Fourth Proportional to 7,686.03, 10,597.17 and 6,410.49

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Solution

The fourth proportional to 7,686.03, 10,597.17 and 6,410.49 is: 8,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.03 : 10,597.17 = 6,410.49 : x
  2. Step 2: Convert to fraction form
    7,686.03/10,597.17 = 6,410.49/x
  3. Step 3: Cross multiply
    7,686.03x = 10,597.17 × 6,410.49
  4. Step 4: Simplify right side
    7,686.03x = 67,933,052.31
  5. Step 5: Solve for x
    x = 67,933,052.31/7,686.03
  6. Step 6: Final answer
    x = 8,838.51

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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.