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Finding the Fourth Proportional to 27,159.25, 40,737.04 and 7,437.99

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Solution

The fourth proportional to 27,159.25, 40,737.04 and 7,437.99 is: 11,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,159.25 : 40,737.04 = 7,437.99 : x
  2. Step 2: Convert to fraction form
    27,159.25/40,737.04 = 7,437.99/x
  3. Step 3: Cross multiply
    27,159.25x = 40,737.04 × 7,437.99
  4. Step 4: Simplify right side
    27,159.25x = 303,001,696.15
  5. Step 5: Solve for x
    x = 303,001,696.15/27,159.25
  6. Step 6: Final answer
    x = 11,156.48

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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.