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Finding the Fourth Proportional to 1,166.36, 1,608.90 and 752.36

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Solution

The fourth proportional to 1,166.36, 1,608.90 and 752.36 is: 1,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.36 : 1,608.90 = 752.36 : x
  2. Step 2: Convert to fraction form
    1,166.36/1,608.90 = 752.36/x
  3. Step 3: Cross multiply
    1,166.36x = 1,608.90 × 752.36
  4. Step 4: Simplify right side
    1,166.36x = 1,210,472.00
  5. Step 5: Solve for x
    x = 1,210,472.00/1,166.36
  6. Step 6: Final answer
    x = 1,037.82

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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.