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Finding the Fourth Proportional to 17,735,987.80, 26,603,981.70 and 17,735,987.80

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Solution

The fourth proportional to 17,735,987.80, 26,603,981.70 and 17,735,987.80 is: 26,603,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735,987.80 : 26,603,981.70 = 17,735,987.80 : x
  2. Step 2: Convert to fraction form
    17,735,987.80/26,603,981.70 = 17,735,987.80/x
  3. Step 3: Cross multiply
    17,735,987.80x = 26,603,981.70 × 17,735,987.80
  4. Step 4: Simplify right side
    17,735,987.80x = 471,847,894,862,623.25
  5. Step 5: Solve for x
    x = 471,847,894,862,623.25/17,735,987.80
  6. Step 6: Final answer
    x = 26,603,981.70

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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.