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Finding the Fourth Proportional to 45,651.50, 68,411.49 and 25,888.31

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Solution

The fourth proportional to 45,651.50, 68,411.49 and 25,888.31 is: 38,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,651.50 : 68,411.49 = 25,888.31 : x
  2. Step 2: Convert to fraction form
    45,651.50/68,411.49 = 25,888.31/x
  3. Step 3: Cross multiply
    45,651.50x = 68,411.49 × 25,888.31
  4. Step 4: Simplify right side
    45,651.50x = 1,771,057,678.09
  5. Step 5: Solve for x
    x = 1,771,057,678.09/45,651.50
  6. Step 6: Final answer
    x = 38,795.17

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1.5x scale

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.