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Finding the Fourth Proportional to 25,957,046.70, 38,935,570.05 and 25,957,046.70

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Solution

The fourth proportional to 25,957,046.70, 38,935,570.05 and 25,957,046.70 is: 38,935,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957,046.70 : 38,935,570.05 = 25,957,046.70 : x
  2. Step 2: Convert to fraction form
    25,957,046.70/38,935,570.05 = 25,957,046.70/x
  3. Step 3: Cross multiply
    25,957,046.70x = 38,935,570.05 × 25,957,046.70
  4. Step 4: Simplify right side
    25,957,046.70x = 1,010,652,410,078,971.25
  5. Step 5: Solve for x
    x = 1,010,652,410,078,971.25/25,957,046.70
  6. Step 6: Final answer
    x = 38,935,570.05

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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.