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Finding the Fourth Proportional to 1,588.61, 2,383.43 and 766.97

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Solution

The fourth proportional to 1,588.61, 2,383.43 and 766.97 is: 1,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.61 : 2,383.43 = 766.97 : x
  2. Step 2: Convert to fraction form
    1,588.61/2,383.43 = 766.97/x
  3. Step 3: Cross multiply
    1,588.61x = 2,383.43 × 766.97
  4. Step 4: Simplify right side
    1,588.61x = 1,828,012.49
  5. Step 5: Solve for x
    x = 1,828,012.49/1,588.61
  6. Step 6: Final answer
    x = 1,150.70

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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.