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Finding the Fourth Proportional to 4,287.63, 5,916.91 and 2,494.47

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Solution

The fourth proportional to 4,287.63, 5,916.91 and 2,494.47 is: 3,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.63 : 5,916.91 = 2,494.47 : x
  2. Step 2: Convert to fraction form
    4,287.63/5,916.91 = 2,494.47/x
  3. Step 3: Cross multiply
    4,287.63x = 5,916.91 × 2,494.47
  4. Step 4: Simplify right side
    4,287.63x = 14,759,554.49
  5. Step 5: Solve for x
    x = 14,759,554.49/4,287.63
  6. Step 6: Final answer
    x = 3,442.36

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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.