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Finding the Fourth Proportional to 35,015.80, 48,321.02 and 19,100.82

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Solution

The fourth proportional to 35,015.80, 48,321.02 and 19,100.82 is: 26,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,015.80 : 48,321.02 = 19,100.82 : x
  2. Step 2: Convert to fraction form
    35,015.80/48,321.02 = 19,100.82/x
  3. Step 3: Cross multiply
    35,015.80x = 48,321.02 × 19,100.82
  4. Step 4: Simplify right side
    35,015.80x = 922,970,828.53
  5. Step 5: Solve for x
    x = 922,970,828.53/35,015.80
  6. Step 6: Final answer
    x = 26,358.70

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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.