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Finding the Fourth Proportional to 7,010.71, 9,674.99 and 4,027.14

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Solution

The fourth proportional to 7,010.71, 9,674.99 and 4,027.14 is: 5,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.71 : 9,674.99 = 4,027.14 : x
  2. Step 2: Convert to fraction form
    7,010.71/9,674.99 = 4,027.14/x
  3. Step 3: Cross multiply
    7,010.71x = 9,674.99 × 4,027.14
  4. Step 4: Simplify right side
    7,010.71x = 38,962,539.23
  5. Step 5: Solve for x
    x = 38,962,539.23/7,010.71
  6. Step 6: Final answer
    x = 5,557.57

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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.