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Finding the Fourth Proportional to 18,988,803.22, 26,219,567.03 and 17,537,918.26

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Solution

The fourth proportional to 18,988,803.22, 26,219,567.03 and 17,537,918.26 is: 24,216,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,803.22 : 26,219,567.03 = 17,537,918.26 : x
  2. Step 2: Convert to fraction form
    18,988,803.22/26,219,567.03 = 17,537,918.26/x
  3. Step 3: Cross multiply
    18,988,803.22x = 26,219,567.03 × 17,537,918.26
  4. Step 4: Simplify right side
    18,988,803.22x = 459,836,623,384,731.06
  5. Step 5: Solve for x
    x = 459,836,623,384,731.06/18,988,803.22
  6. Step 6: Final answer
    x = 24,216,198.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.