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Finding the Fourth Proportional to 7,026.99, 9,710.07 and 6,685.29

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Solution

The fourth proportional to 7,026.99, 9,710.07 and 6,685.29 is: 9,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.99 : 9,710.07 = 6,685.29 : x
  2. Step 2: Convert to fraction form
    7,026.99/9,710.07 = 6,685.29/x
  3. Step 3: Cross multiply
    7,026.99x = 9,710.07 × 6,685.29
  4. Step 4: Simplify right side
    7,026.99x = 64,914,633.87
  5. Step 5: Solve for x
    x = 64,914,633.87/7,026.99
  6. Step 6: Final answer
    x = 9,237.90

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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.