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Finding the Fourth Proportional to 64,689,964.70, 97,006,953.45 and 26,338,732.70

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Solution

The fourth proportional to 64,689,964.70, 97,006,953.45 and 26,338,732.70 is: 39,496,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,689,964.70 : 97,006,953.45 = 26,338,732.70 : x
  2. Step 2: Convert to fraction form
    64,689,964.70/97,006,953.45 = 26,338,732.70/x
  3. Step 3: Cross multiply
    64,689,964.70x = 97,006,953.45 × 26,338,732.70
  4. Step 4: Simplify right side
    64,689,964.70x = 2,555,040,216,960,893
  5. Step 5: Solve for x
    x = 2,555,040,216,960,893/64,689,964.70
  6. Step 6: Final answer
    x = 39,496,701.36

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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.