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Finding the Fourth Proportional to 26,409.94, 36,436.67 and 15,071.25

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Solution

The fourth proportional to 26,409.94, 36,436.67 and 15,071.25 is: 20,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.94 : 36,436.67 = 15,071.25 : x
  2. Step 2: Convert to fraction form
    26,409.94/36,436.67 = 15,071.25/x
  3. Step 3: Cross multiply
    26,409.94x = 36,436.67 × 15,071.25
  4. Step 4: Simplify right side
    26,409.94x = 549,146,087.38
  5. Step 5: Solve for x
    x = 549,146,087.38/26,409.94
  6. Step 6: Final answer
    x = 20,793.16

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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.