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Finding the Fourth Proportional to 2,009.18, 3,014.84 and 760.63

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Solution

The fourth proportional to 2,009.18, 3,014.84 and 760.63 is: 1,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.18 : 3,014.84 = 760.63 : x
  2. Step 2: Convert to fraction form
    2,009.18/3,014.84 = 760.63/x
  3. Step 3: Cross multiply
    2,009.18x = 3,014.84 × 760.63
  4. Step 4: Simplify right side
    2,009.18x = 2,293,177.75
  5. Step 5: Solve for x
    x = 2,293,177.75/2,009.18
  6. Step 6: Final answer
    x = 1,141.35

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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.