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Finding the Fourth Proportional to 17,759,909.10, 26,639,863.65 and 17,759,909.10

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Solution

The fourth proportional to 17,759,909.10, 26,639,863.65 and 17,759,909.10 is: 26,639,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759,909.10 : 26,639,863.65 = 17,759,909.10 : x
  2. Step 2: Convert to fraction form
    17,759,909.10/26,639,863.65 = 17,759,909.10/x
  3. Step 3: Cross multiply
    17,759,909.10x = 26,639,863.65 × 17,759,909.10
  4. Step 4: Simplify right side
    17,759,909.10x = 473,121,556,860,394.25
  5. Step 5: Solve for x
    x = 473,121,556,860,394.25/17,759,909.10
  6. Step 6: Final answer
    x = 26,639,863.65

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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.