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Finding the Fourth Proportional to 2,599.06, 3,899.55 and 956.68

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Solution

The fourth proportional to 2,599.06, 3,899.55 and 956.68 is: 1,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.06 : 3,899.55 = 956.68 : x
  2. Step 2: Convert to fraction form
    2,599.06/3,899.55 = 956.68/x
  3. Step 3: Cross multiply
    2,599.06x = 3,899.55 × 956.68
  4. Step 4: Simplify right side
    2,599.06x = 3,730,621.49
  5. Step 5: Solve for x
    x = 3,730,621.49/2,599.06
  6. Step 6: Final answer
    x = 1,435.37

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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.