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Finding the Fourth Proportional to 57,315.86, 79,040.93 and 36,877.07

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Solution

The fourth proportional to 57,315.86, 79,040.93 and 36,877.07 is: 50,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.86 : 79,040.93 = 36,877.07 : x
  2. Step 2: Convert to fraction form
    57,315.86/79,040.93 = 36,877.07/x
  3. Step 3: Cross multiply
    57,315.86x = 79,040.93 × 36,877.07
  4. Step 4: Simplify right side
    57,315.86x = 2,914,797,477.09
  5. Step 5: Solve for x
    x = 2,914,797,477.09/57,315.86
  6. Step 6: Final answer
    x = 50,854.99

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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.