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Finding the Fourth Proportional to 17,763,993.65, 26,605,632.96 and 13,901,746.11

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Solution

The fourth proportional to 17,763,993.65, 26,605,632.96 and 13,901,746.11 is: 20,821,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763,993.65 : 26,605,632.96 = 13,901,746.11 : x
  2. Step 2: Convert to fraction form
    17,763,993.65/26,605,632.96 = 13,901,746.11/x
  3. Step 3: Cross multiply
    17,763,993.65x = 26,605,632.96 × 13,901,746.11
  4. Step 4: Simplify right side
    17,763,993.65x = 369,864,754,505,767.81
  5. Step 5: Solve for x
    x = 369,864,754,505,767.81/17,763,993.65
  6. Step 6: Final answer
    x = 20,821,036.19

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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.