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Finding the Fourth Proportional to 2,059.52, 3,090.08 and 963.20

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Solution

The fourth proportional to 2,059.52, 3,090.08 and 963.20 is: 1,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.52 : 3,090.08 = 963.20 : x
  2. Step 2: Convert to fraction form
    2,059.52/3,090.08 = 963.20/x
  3. Step 3: Cross multiply
    2,059.52x = 3,090.08 × 963.20
  4. Step 4: Simplify right side
    2,059.52x = 2,976,365.06
  5. Step 5: Solve for x
    x = 2,976,365.06/2,059.52
  6. Step 6: Final answer
    x = 1,445.17

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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.