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Finding the Fourth Proportional to 25,816.66, 38,724.99 and 7,096.95

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Solution

The fourth proportional to 25,816.66, 38,724.99 and 7,096.95 is: 10,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.66 : 38,724.99 = 7,096.95 : x
  2. Step 2: Convert to fraction form
    25,816.66/38,724.99 = 7,096.95/x
  3. Step 3: Cross multiply
    25,816.66x = 38,724.99 × 7,096.95
  4. Step 4: Simplify right side
    25,816.66x = 274,829,291.17
  5. Step 5: Solve for x
    x = 274,829,291.17/25,816.66
  6. Step 6: Final answer
    x = 10,645.43

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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.