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Finding the Fourth Proportional to 17,668,859.40, 26,503,289.10 and 17,668,859.40

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Solution

The fourth proportional to 17,668,859.40, 26,503,289.10 and 17,668,859.40 is: 26,503,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668,859.40 : 26,503,289.10 = 17,668,859.40 : x
  2. Step 2: Convert to fraction form
    17,668,859.40/26,503,289.10 = 17,668,859.40/x
  3. Step 3: Cross multiply
    17,668,859.40x = 26,503,289.10 × 17,668,859.40
  4. Step 4: Simplify right side
    17,668,859.40x = 468,282,888,745,452.50
  5. Step 5: Solve for x
    x = 468,282,888,745,452.50/17,668,859.40
  6. Step 6: Final answer
    x = 26,503,289.10

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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.