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Finding the Fourth Proportional to 4,976.93, 7,462.95 and 2,897.66

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Solution

The fourth proportional to 4,976.93, 7,462.95 and 2,897.66 is: 4,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.93 : 7,462.95 = 2,897.66 : x
  2. Step 2: Convert to fraction form
    4,976.93/7,462.95 = 2,897.66/x
  3. Step 3: Cross multiply
    4,976.93x = 7,462.95 × 2,897.66
  4. Step 4: Simplify right side
    4,976.93x = 21,625,054.38
  5. Step 5: Solve for x
    x = 21,625,054.38/4,976.93
  6. Step 6: Final answer
    x = 4,345.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.