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Finding the Fourth Proportional to 100,624.93, 150,935.85 and 25,744.45

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Solution

The fourth proportional to 100,624.93, 150,935.85 and 25,744.45 is: 38,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,624.93 : 150,935.85 = 25,744.45 : x
  2. Step 2: Convert to fraction form
    100,624.93/150,935.85 = 25,744.45/x
  3. Step 3: Cross multiply
    100,624.93x = 150,935.85 × 25,744.45
  4. Step 4: Simplify right side
    100,624.93x = 3,885,759,688.85
  5. Step 5: Solve for x
    x = 3,885,759,688.85/100,624.93
  6. Step 6: Final answer
    x = 38,616.27

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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.