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Finding the Fourth Proportional to 53,160.81, 79,790.63 and 26,884.41

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Solution

The fourth proportional to 53,160.81, 79,790.63 and 26,884.41 is: 40,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.81 : 79,790.63 = 26,884.41 : x
  2. Step 2: Convert to fraction form
    53,160.81/79,790.63 = 26,884.41/x
  3. Step 3: Cross multiply
    53,160.81x = 79,790.63 × 26,884.41
  4. Step 4: Simplify right side
    53,160.81x = 2,145,123,876.66
  5. Step 5: Solve for x
    x = 2,145,123,876.66/53,160.81
  6. Step 6: Final answer
    x = 40,351.60

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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.