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Finding the Fourth Proportional to 4,995.72, 6,892.92 and 2,899.92

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Solution

The fourth proportional to 4,995.72, 6,892.92 and 2,899.92 is: 4,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.72 : 6,892.92 = 2,899.92 : x
  2. Step 2: Convert to fraction form
    4,995.72/6,892.92 = 2,899.92/x
  3. Step 3: Cross multiply
    4,995.72x = 6,892.92 × 2,899.92
  4. Step 4: Simplify right side
    4,995.72x = 19,988,916.57
  5. Step 5: Solve for x
    x = 19,988,916.57/4,995.72
  6. Step 6: Final answer
    x = 4,001.21

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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.