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Finding the Fourth Proportional to 6,606,775.13, 9,913,774.95 and 2,563,422.53

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Solution

The fourth proportional to 6,606,775.13, 9,913,774.95 and 2,563,422.53 is: 3,846,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606,775.13 : 9,913,774.95 = 2,563,422.53 : x
  2. Step 2: Convert to fraction form
    6,606,775.13/9,913,774.95 = 2,563,422.53/x
  3. Step 3: Cross multiply
    6,606,775.13x = 9,913,774.95 × 2,563,422.53
  4. Step 4: Simplify right side
    6,606,775.13x = 25,413,194,014,610.75
  5. Step 5: Solve for x
    x = 25,413,194,014,610.75/6,606,775.13
  6. Step 6: Final answer
    x = 3,846,535.34

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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.