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Finding the Fourth Proportional to 35,043.91, 48,359.83 and 19,128.63

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Solution

The fourth proportional to 35,043.91, 48,359.83 and 19,128.63 is: 26,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.91 : 48,359.83 = 19,128.63 : x
  2. Step 2: Convert to fraction form
    35,043.91/48,359.83 = 19,128.63/x
  3. Step 3: Cross multiply
    35,043.91x = 48,359.83 × 19,128.63
  4. Step 4: Simplify right side
    35,043.91x = 925,057,294.93
  5. Step 5: Solve for x
    x = 925,057,294.93/35,043.91
  6. Step 6: Final answer
    x = 26,397.09

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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.