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Finding the Fourth Proportional to 9,966,702.10, 14,950,053.15 and 9,777,745.30

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Solution

The fourth proportional to 9,966,702.10, 14,950,053.15 and 9,777,745.30 is: 14,666,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,702.10 : 14,950,053.15 = 9,777,745.30 : x
  2. Step 2: Convert to fraction form
    9,966,702.10/14,950,053.15 = 9,777,745.30/x
  3. Step 3: Cross multiply
    9,966,702.10x = 14,950,053.15 × 9,777,745.30
  4. Step 4: Simplify right side
    9,966,702.10x = 146,177,811,922,162.72
  5. Step 5: Solve for x
    x = 146,177,811,922,162.72/9,966,702.10
  6. Step 6: Final answer
    x = 14,666,617.95

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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.