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Finding the Fourth Proportional to 1,966.77, 2,710.99 and 1,493.12

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Solution

The fourth proportional to 1,966.77, 2,710.99 and 1,493.12 is: 2,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.77 : 2,710.99 = 1,493.12 : x
  2. Step 2: Convert to fraction form
    1,966.77/2,710.99 = 1,493.12/x
  3. Step 3: Cross multiply
    1,966.77x = 2,710.99 × 1,493.12
  4. Step 4: Simplify right side
    1,966.77x = 4,047,833.39
  5. Step 5: Solve for x
    x = 4,047,833.39/1,966.77
  6. Step 6: Final answer
    x = 2,058.11

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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.