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Finding the Fourth Proportional to 7,910.51, 10,916.16 and 4,553.43

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Solution

The fourth proportional to 7,910.51, 10,916.16 and 4,553.43 is: 6,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.51 : 10,916.16 = 4,553.43 : x
  2. Step 2: Convert to fraction form
    7,910.51/10,916.16 = 4,553.43/x
  3. Step 3: Cross multiply
    7,910.51x = 10,916.16 × 4,553.43
  4. Step 4: Simplify right side
    7,910.51x = 49,705,970.43
  5. Step 5: Solve for x
    x = 49,705,970.43/7,910.51
  6. Step 6: Final answer
    x = 6,283.54

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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.