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Finding the Fourth Proportional to 17,962,509.30, 26,943,763.95 and 17,962,509.30

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Solution

The fourth proportional to 17,962,509.30, 26,943,763.95 and 17,962,509.30 is: 26,943,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962,509.30 : 26,943,763.95 = 17,962,509.30 : x
  2. Step 2: Convert to fraction form
    17,962,509.30/26,943,763.95 = 17,962,509.30/x
  3. Step 3: Cross multiply
    17,962,509.30x = 26,943,763.95 × 17,962,509.30
  4. Step 4: Simplify right side
    17,962,509.30x = 483,977,610,528,879.75
  5. Step 5: Solve for x
    x = 483,977,610,528,879.75/17,962,509.30
  6. Step 6: Final answer
    x = 26,943,763.95

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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.