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Finding the Fourth Proportional to 3,552.78, 5,329.17 and 1,703.10

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Solution

The fourth proportional to 3,552.78, 5,329.17 and 1,703.10 is: 2,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.78 : 5,329.17 = 1,703.10 : x
  2. Step 2: Convert to fraction form
    3,552.78/5,329.17 = 1,703.10/x
  3. Step 3: Cross multiply
    3,552.78x = 5,329.17 × 1,703.10
  4. Step 4: Simplify right side
    3,552.78x = 9,076,109.43
  5. Step 5: Solve for x
    x = 9,076,109.43/3,552.78
  6. Step 6: Final answer
    x = 2,554.65

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Half scale
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Double scale
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Similar ratio
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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.