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Finding the Fourth Proportional to 7,902.23, 10,907.25 and 4,916.29

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Solution

The fourth proportional to 7,902.23, 10,907.25 and 4,916.29 is: 6,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.23 : 10,907.25 = 4,916.29 : x
  2. Step 2: Convert to fraction form
    7,902.23/10,907.25 = 4,916.29/x
  3. Step 3: Cross multiply
    7,902.23x = 10,907.25 × 4,916.29
  4. Step 4: Simplify right side
    7,902.23x = 53,623,204.10
  5. Step 5: Solve for x
    x = 53,623,204.10/7,902.23
  6. Step 6: Final answer
    x = 6,785.83

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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.