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Finding the Fourth Proportional to 1,166.68, 1,609.62 and 701.08

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Solution

The fourth proportional to 1,166.68, 1,609.62 and 701.08 is: 967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.68 : 1,609.62 = 701.08 : x
  2. Step 2: Convert to fraction form
    1,166.68/1,609.62 = 701.08/x
  3. Step 3: Cross multiply
    1,166.68x = 1,609.62 × 701.08
  4. Step 4: Simplify right side
    1,166.68x = 1,128,472.39
  5. Step 5: Solve for x
    x = 1,128,472.39/1,166.68
  6. Step 6: Final answer
    x = 967.25

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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.