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Finding the Fourth Proportional to 17,966,710.10, 26,950,065.15 and 6,604,807.70

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Solution

The fourth proportional to 17,966,710.10, 26,950,065.15 and 6,604,807.70 is: 9,907,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,710.10 : 26,950,065.15 = 6,604,807.70 : x
  2. Step 2: Convert to fraction form
    17,966,710.10/26,950,065.15 = 6,604,807.70/x
  3. Step 3: Cross multiply
    17,966,710.10x = 26,950,065.15 × 6,604,807.70
  4. Step 4: Simplify right side
    17,966,710.10x = 177,999,997,818,221.66
  5. Step 5: Solve for x
    x = 177,999,997,818,221.66/17,966,710.10
  6. Step 6: Final answer
    x = 9,907,211.55

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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.