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Finding the Fourth Proportional to 53,203.56, 79,854.78 and 26,926.92

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Solution

The fourth proportional to 53,203.56, 79,854.78 and 26,926.92 is: 40,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.56 : 79,854.78 = 26,926.92 : x
  2. Step 2: Convert to fraction form
    53,203.56/79,854.78 = 26,926.92/x
  3. Step 3: Cross multiply
    53,203.56x = 79,854.78 × 26,926.92
  4. Step 4: Simplify right side
    53,203.56x = 2,150,243,272.68
  5. Step 5: Solve for x
    x = 2,150,243,272.68/53,203.56
  6. Step 6: Final answer
    x = 40,415.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.