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Finding the Fourth Proportional to 3,294.96, 4,547.48 and 1,879.16

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Solution

The fourth proportional to 3,294.96, 4,547.48 and 1,879.16 is: 2,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.96 : 4,547.48 = 1,879.16 : x
  2. Step 2: Convert to fraction form
    3,294.96/4,547.48 = 1,879.16/x
  3. Step 3: Cross multiply
    3,294.96x = 4,547.48 × 1,879.16
  4. Step 4: Simplify right side
    3,294.96x = 8,545,410.38
  5. Step 5: Solve for x
    x = 8,545,410.38/3,294.96
  6. Step 6: Final answer
    x = 2,593.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.