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Finding the Fourth Proportional to 2,088.48, 3,132.09 and 627.24

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Solution

The fourth proportional to 2,088.48, 3,132.09 and 627.24 is: 940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.48 : 3,132.09 = 627.24 : x
  2. Step 2: Convert to fraction form
    2,088.48/3,132.09 = 627.24/x
  3. Step 3: Cross multiply
    2,088.48x = 3,132.09 × 627.24
  4. Step 4: Simplify right side
    2,088.48x = 1,964,572.13
  5. Step 5: Solve for x
    x = 1,964,572.13/2,088.48
  6. Step 6: Final answer
    x = 940.67

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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.