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Finding the Fourth Proportional to 17,966,701.70, 26,950,052.55 and 6,605,674.10

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Solution

The fourth proportional to 17,966,701.70, 26,950,052.55 and 6,605,674.10 is: 9,908,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,701.70 : 26,950,052.55 = 6,605,674.10 : x
  2. Step 2: Convert to fraction form
    17,966,701.70/26,950,052.55 = 6,605,674.10/x
  3. Step 3: Cross multiply
    17,966,701.70x = 26,950,052.55 × 6,605,674.10
  4. Step 4: Simplify right side
    17,966,701.70x = 178,023,264,123,173.94
  5. Step 5: Solve for x
    x = 178,023,264,123,173.94/17,966,701.70
  6. Step 6: Final answer
    x = 9,908,511.15

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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.