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Finding the Fourth Proportional to 35,476.70, 48,960.05 and 19,561.12

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Solution

The fourth proportional to 35,476.70, 48,960.05 and 19,561.12 is: 26,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.70 : 48,960.05 = 19,561.12 : x
  2. Step 2: Convert to fraction form
    35,476.70/48,960.05 = 19,561.12/x
  3. Step 3: Cross multiply
    35,476.70x = 48,960.05 × 19,561.12
  4. Step 4: Simplify right side
    35,476.70x = 957,713,193.05
  5. Step 5: Solve for x
    x = 957,713,193.05/35,476.70
  6. Step 6: Final answer
    x = 26,995.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.