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Finding the Fourth Proportional to 57,907.41, 86,663.88 and 48,558

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Solution

The fourth proportional to 57,907.41, 86,663.88 and 48,558 is: 72,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,907.41 : 86,663.88 = 48,558 : x
  2. Step 2: Convert to fraction form
    57,907.41/86,663.88 = 48,558/x
  3. Step 3: Cross multiply
    57,907.41x = 86,663.88 × 48,558
  4. Step 4: Simplify right side
    57,907.41x = 4,208,224,685.04
  5. Step 5: Solve for x
    x = 4,208,224,685.04/57,907.41
  6. Step 6: Final answer
    x = 72,671.61

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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.