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Finding the Fourth Proportional to 45,513.78, 62,809.74 and 26,135.88

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Solution

The fourth proportional to 45,513.78, 62,809.74 and 26,135.88 is: 36,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,513.78 : 62,809.74 = 26,135.88 : x
  2. Step 2: Convert to fraction form
    45,513.78/62,809.74 = 26,135.88/x
  3. Step 3: Cross multiply
    45,513.78x = 62,809.74 × 26,135.88
  4. Step 4: Simplify right side
    45,513.78x = 1,641,587,827.47
  5. Step 5: Solve for x
    x = 1,641,587,827.47/45,513.78
  6. Step 6: Final answer
    x = 36,067.93

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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.