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Finding the Fourth Proportional to 2,055.88, 3,083.18 and 901.32

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Solution

The fourth proportional to 2,055.88, 3,083.18 and 901.32 is: 1,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.88 : 3,083.18 = 901.32 : x
  2. Step 2: Convert to fraction form
    2,055.88/3,083.18 = 901.32/x
  3. Step 3: Cross multiply
    2,055.88x = 3,083.18 × 901.32
  4. Step 4: Simplify right side
    2,055.88x = 2,778,931.80
  5. Step 5: Solve for x
    x = 2,778,931.80/2,055.88
  6. Step 6: Final answer
    x = 1,351.70

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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.