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Finding the Fourth Proportional to 2,259.84, 3,390.84 and 962.22

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Solution

The fourth proportional to 2,259.84, 3,390.84 and 962.22 is: 1,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.84 : 3,390.84 = 962.22 : x
  2. Step 2: Convert to fraction form
    2,259.84/3,390.84 = 962.22/x
  3. Step 3: Cross multiply
    2,259.84x = 3,390.84 × 962.22
  4. Step 4: Simplify right side
    2,259.84x = 3,262,734.06
  5. Step 5: Solve for x
    x = 3,262,734.06/2,259.84
  6. Step 6: Final answer
    x = 1,443.79

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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.