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Finding the Fourth Proportional to 3,513.66, 4,848.54 and 1,941.66

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Solution

The fourth proportional to 3,513.66, 4,848.54 and 1,941.66 is: 2,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.66 : 4,848.54 = 1,941.66 : x
  2. Step 2: Convert to fraction form
    3,513.66/4,848.54 = 1,941.66/x
  3. Step 3: Cross multiply
    3,513.66x = 4,848.54 × 1,941.66
  4. Step 4: Simplify right side
    3,513.66x = 9,414,216.18
  5. Step 5: Solve for x
    x = 9,414,216.18/3,513.66
  6. Step 6: Final answer
    x = 2,679.32

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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.