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Finding the Fourth Proportional to 35,022.79, 48,329.48 and 19,919.12

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Solution

The fourth proportional to 35,022.79, 48,329.48 and 19,919.12 is: 27,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,022.79 : 48,329.48 = 19,919.12 : x
  2. Step 2: Convert to fraction form
    35,022.79/48,329.48 = 19,919.12/x
  3. Step 3: Cross multiply
    35,022.79x = 48,329.48 × 19,919.12
  4. Step 4: Simplify right side
    35,022.79x = 962,680,612.06
  5. Step 5: Solve for x
    x = 962,680,612.06/35,022.79
  6. Step 6: Final answer
    x = 27,487.27

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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.