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Finding the Fourth Proportional to 34,788.43, 48,004.86 and 19,682.47

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Solution

The fourth proportional to 34,788.43, 48,004.86 and 19,682.47 is: 27,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,788.43 : 48,004.86 = 19,682.47 : x
  2. Step 2: Convert to fraction form
    34,788.43/48,004.86 = 19,682.47/x
  3. Step 3: Cross multiply
    34,788.43x = 48,004.86 × 19,682.47
  4. Step 4: Simplify right side
    34,788.43x = 944,854,216.80
  5. Step 5: Solve for x
    x = 944,854,216.80/34,788.43
  6. Step 6: Final answer
    x = 27,160.01

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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.