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Finding the Fourth Proportional to 35,154.91, 48,513.90 and 19,239.49

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Solution

The fourth proportional to 35,154.91, 48,513.90 and 19,239.49 is: 26,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,154.91 : 48,513.90 = 19,239.49 : x
  2. Step 2: Convert to fraction form
    35,154.91/48,513.90 = 19,239.49/x
  3. Step 3: Cross multiply
    35,154.91x = 48,513.90 × 19,239.49
  4. Step 4: Simplify right side
    35,154.91x = 933,382,693.91
  5. Step 5: Solve for x
    x = 933,382,693.91/35,154.91
  6. Step 6: Final answer
    x = 26,550.56

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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.