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Finding the Fourth Proportional to 57,702.78, 79,601.33 and 37,571.45

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Solution

The fourth proportional to 57,702.78, 79,601.33 and 37,571.45 is: 51,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.78 : 79,601.33 = 37,571.45 : x
  2. Step 2: Convert to fraction form
    57,702.78/79,601.33 = 37,571.45/x
  3. Step 3: Cross multiply
    57,702.78x = 79,601.33 × 37,571.45
  4. Step 4: Simplify right side
    57,702.78x = 2,990,737,085.95
  5. Step 5: Solve for x
    x = 2,990,737,085.95/57,702.78
  6. Step 6: Final answer
    x = 51,830.03

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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.