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Finding the Fourth Proportional to 57,706.86, 79,572.62 and 37,526.28

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Solution

The fourth proportional to 57,706.86, 79,572.62 and 37,526.28 is: 51,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,706.86 : 79,572.62 = 37,526.28 : x
  2. Step 2: Convert to fraction form
    57,706.86/79,572.62 = 37,526.28/x
  3. Step 3: Cross multiply
    57,706.86x = 79,572.62 × 37,526.28
  4. Step 4: Simplify right side
    57,706.86x = 2,986,064,418.45
  5. Step 5: Solve for x
    x = 2,986,064,418.45/57,706.86
  6. Step 6: Final answer
    x = 51,745.40

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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.