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Finding the Fourth Proportional to 35,106.99, 48,448.41 and 19,191.43

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Solution

The fourth proportional to 35,106.99, 48,448.41 and 19,191.43 is: 26,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.99 : 48,448.41 = 19,191.43 : x
  2. Step 2: Convert to fraction form
    35,106.99/48,448.41 = 19,191.43/x
  3. Step 3: Cross multiply
    35,106.99x = 48,448.41 × 19,191.43
  4. Step 4: Simplify right side
    35,106.99x = 929,794,269.13
  5. Step 5: Solve for x
    x = 929,794,269.13/35,106.99
  6. Step 6: Final answer
    x = 26,484.59

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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.