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Finding the Fourth Proportional to 1,670.54, 2,304.84 and 1,166.38

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Solution

The fourth proportional to 1,670.54, 2,304.84 and 1,166.38 is: 1,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.54 : 2,304.84 = 1,166.38 : x
  2. Step 2: Convert to fraction form
    1,670.54/2,304.84 = 1,166.38/x
  3. Step 3: Cross multiply
    1,670.54x = 2,304.84 × 1,166.38
  4. Step 4: Simplify right side
    1,670.54x = 2,688,319.28
  5. Step 5: Solve for x
    x = 2,688,319.28/1,670.54
  6. Step 6: Final answer
    x = 1,609.25

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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.