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Finding the Fourth Proportional to 6,754,952.88, 9,321,765.03 and 3,657,422.94

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Solution

The fourth proportional to 6,754,952.88, 9,321,765.03 and 3,657,422.94 is: 5,047,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754,952.88 : 9,321,765.03 = 3,657,422.94 : x
  2. Step 2: Convert to fraction form
    6,754,952.88/9,321,765.03 = 3,657,422.94/x
  3. Step 3: Cross multiply
    6,754,952.88x = 9,321,765.03 × 3,657,422.94
  4. Step 4: Simplify right side
    6,754,952.88x = 34,093,637,262,011.79
  5. Step 5: Solve for x
    x = 34,093,637,262,011.79/6,754,952.88
  6. Step 6: Final answer
    x = 5,047,205.79

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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.