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Finding the Fourth Proportional to 17,798,553, 26,697,872.88 and 5,019,124.68

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Solution

The fourth proportional to 17,798,553, 26,697,872.88 and 5,019,124.68 is: 7,528,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798,553 : 26,697,872.88 = 5,019,124.68 : x
  2. Step 2: Convert to fraction form
    17,798,553/26,697,872.88 = 5,019,124.68/x
  3. Step 3: Cross multiply
    17,798,553x = 26,697,872.88 × 5,019,124.68
  4. Step 4: Simplify right side
    17,798,553x = 133,999,952,675,510.67
  5. Step 5: Solve for x
    x = 133,999,952,675,510.67/17,798,553
  6. Step 6: Final answer
    x = 7,528,699.25

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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.