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Finding the Fourth Proportional to 7,424.15, 10,248 and 5,064.62

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Solution

The fourth proportional to 7,424.15, 10,248 and 5,064.62 is: 6,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.15 : 10,248 = 5,064.62 : x
  2. Step 2: Convert to fraction form
    7,424.15/10,248 = 5,064.62/x
  3. Step 3: Cross multiply
    7,424.15x = 10,248 × 5,064.62
  4. Step 4: Simplify right side
    7,424.15x = 51,902,225.76
  5. Step 5: Solve for x
    x = 51,902,225.76/7,424.15
  6. Step 6: Final answer
    x = 6,991.00

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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.