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Finding the Fourth Proportional to 25,889,610.40, 38,848,412.40 and 10,745,072.80

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Solution

The fourth proportional to 25,889,610.40, 38,848,412.40 and 10,745,072.80 is: 16,123,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889,610.40 : 38,848,412.40 = 10,745,072.80 : x
  2. Step 2: Convert to fraction form
    25,889,610.40/38,848,412.40 = 10,745,072.80/x
  3. Step 3: Cross multiply
    25,889,610.40x = 38,848,412.40 × 10,745,072.80
  4. Step 4: Simplify right side
    25,889,610.40x = 417,429,019,402,422.75
  5. Step 5: Solve for x
    x = 417,429,019,402,422.75/25,889,610.40
  6. Step 6: Final answer
    x = 16,123,418.35

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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.