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Finding the Fourth Proportional to 17,804,578.90, 26,706,868.35 and 16,157,111.80

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Solution

The fourth proportional to 17,804,578.90, 26,706,868.35 and 16,157,111.80 is: 24,235,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804,578.90 : 26,706,868.35 = 16,157,111.80 : x
  2. Step 2: Convert to fraction form
    17,804,578.90/26,706,868.35 = 16,157,111.80/x
  3. Step 3: Cross multiply
    17,804,578.90x = 26,706,868.35 × 16,157,111.80
  4. Step 4: Simplify right side
    17,804,578.90x = 431,505,857,758,831.56
  5. Step 5: Solve for x
    x = 431,505,857,758,831.56/17,804,578.90
  6. Step 6: Final answer
    x = 24,235,667.70

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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.