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Finding the Fourth Proportional to 2,899.99, 4,350.03 and 708.76

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Solution

The fourth proportional to 2,899.99, 4,350.03 and 708.76 is: 1,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.99 : 4,350.03 = 708.76 : x
  2. Step 2: Convert to fraction form
    2,899.99/4,350.03 = 708.76/x
  3. Step 3: Cross multiply
    2,899.99x = 4,350.03 × 708.76
  4. Step 4: Simplify right side
    2,899.99x = 3,083,127.26
  5. Step 5: Solve for x
    x = 3,083,127.26/2,899.99
  6. Step 6: Final answer
    x = 1,063.15

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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.