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Finding the Fourth Proportional to 48,656.88, 72,984.87 and 15,376.95

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Solution

The fourth proportional to 48,656.88, 72,984.87 and 15,376.95 is: 23,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,656.88 : 72,984.87 = 15,376.95 : x
  2. Step 2: Convert to fraction form
    48,656.88/72,984.87 = 15,376.95/x
  3. Step 3: Cross multiply
    48,656.88x = 72,984.87 × 15,376.95
  4. Step 4: Simplify right side
    48,656.88x = 1,122,284,696.75
  5. Step 5: Solve for x
    x = 1,122,284,696.75/48,656.88
  6. Step 6: Final answer
    x = 23,065.28

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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.