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Finding the Fourth Proportional to 1,778.99, 2,455.54 and 1,033.13

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Solution

The fourth proportional to 1,778.99, 2,455.54 and 1,033.13 is: 1,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.99 : 2,455.54 = 1,033.13 : x
  2. Step 2: Convert to fraction form
    1,778.99/2,455.54 = 1,033.13/x
  3. Step 3: Cross multiply
    1,778.99x = 2,455.54 × 1,033.13
  4. Step 4: Simplify right side
    1,778.99x = 2,536,892.04
  5. Step 5: Solve for x
    x = 2,536,892.04/1,778.99
  6. Step 6: Final answer
    x = 1,426.03

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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.