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Finding the Fourth Proportional to 35,356.15, 48,814.14 and 21,947.14

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Solution

The fourth proportional to 35,356.15, 48,814.14 and 21,947.14 is: 30,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.15 : 48,814.14 = 21,947.14 : x
  2. Step 2: Convert to fraction form
    35,356.15/48,814.14 = 21,947.14/x
  3. Step 3: Cross multiply
    35,356.15x = 48,814.14 × 21,947.14
  4. Step 4: Simplify right side
    35,356.15x = 1,071,330,764.56
  5. Step 5: Solve for x
    x = 1,071,330,764.56/35,356.15
  6. Step 6: Final answer
    x = 30,301.11

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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.