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Finding the Fourth Proportional to 1,966.04, 2,713.14 and 1,126.76

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Solution

The fourth proportional to 1,966.04, 2,713.14 and 1,126.76 is: 1,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.04 : 2,713.14 = 1,126.76 : x
  2. Step 2: Convert to fraction form
    1,966.04/2,713.14 = 1,126.76/x
  3. Step 3: Cross multiply
    1,966.04x = 2,713.14 × 1,126.76
  4. Step 4: Simplify right side
    1,966.04x = 3,057,057.63
  5. Step 5: Solve for x
    x = 3,057,057.63/1,966.04
  6. Step 6: Final answer
    x = 1,554.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.