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Finding the Fourth Proportional to 7,603.72, 10,490.67 and 4,246

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Solution

The fourth proportional to 7,603.72, 10,490.67 and 4,246 is: 5,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.72 : 10,490.67 = 4,246 : x
  2. Step 2: Convert to fraction form
    7,603.72/10,490.67 = 4,246/x
  3. Step 3: Cross multiply
    7,603.72x = 10,490.67 × 4,246
  4. Step 4: Simplify right side
    7,603.72x = 44,543,384.82
  5. Step 5: Solve for x
    x = 44,543,384.82/7,603.72
  6. Step 6: Final answer
    x = 5,858.10

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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.