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Finding the Fourth Proportional to 25,606,821.80, 38,410,232.70 and 25,606,821.80

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Solution

The fourth proportional to 25,606,821.80, 38,410,232.70 and 25,606,821.80 is: 38,410,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606,821.80 : 38,410,232.70 = 25,606,821.80 : x
  2. Step 2: Convert to fraction form
    25,606,821.80/38,410,232.70 = 25,606,821.80/x
  3. Step 3: Cross multiply
    25,606,821.80x = 38,410,232.70 × 25,606,821.80
  4. Step 4: Simplify right side
    25,606,821.80x = 983,563,984,045,433
  5. Step 5: Solve for x
    x = 983,563,984,045,433/25,606,821.80
  6. Step 6: Final answer
    x = 38,410,232.70

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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.