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Finding the Fourth Proportional to 40,587, 60,880.62 and 15,963

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Solution

The fourth proportional to 40,587, 60,880.62 and 15,963 is: 23,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,587 : 60,880.62 = 15,963 : x
  2. Step 2: Convert to fraction form
    40,587/60,880.62 = 15,963/x
  3. Step 3: Cross multiply
    40,587x = 60,880.62 × 15,963
  4. Step 4: Simplify right side
    40,587x = 971,837,337.06
  5. Step 5: Solve for x
    x = 971,837,337.06/40,587
  6. Step 6: Final answer
    x = 23,944.55

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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.