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Finding the Fourth Proportional to 2,088.58, 3,133.28 and 627.88

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Solution

The fourth proportional to 2,088.58, 3,133.28 and 627.88 is: 941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.58 : 3,133.28 = 627.88 : x
  2. Step 2: Convert to fraction form
    2,088.58/3,133.28 = 627.88/x
  3. Step 3: Cross multiply
    2,088.58x = 3,133.28 × 627.88
  4. Step 4: Simplify right side
    2,088.58x = 1,967,323.85
  5. Step 5: Solve for x
    x = 1,967,323.85/2,088.58
  6. Step 6: Final answer
    x = 941.94

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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.