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Finding the Fourth Proportional to 1,706.75, 2,354.48 and 1,148.04

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Solution

The fourth proportional to 1,706.75, 2,354.48 and 1,148.04 is: 1,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.75 : 2,354.48 = 1,148.04 : x
  2. Step 2: Convert to fraction form
    1,706.75/2,354.48 = 1,148.04/x
  3. Step 3: Cross multiply
    1,706.75x = 2,354.48 × 1,148.04
  4. Step 4: Simplify right side
    1,706.75x = 2,703,042.24
  5. Step 5: Solve for x
    x = 2,703,042.24/1,706.75
  6. Step 6: Final answer
    x = 1,583.73

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Half scale
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Double scale
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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.