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Finding the Fourth Proportional to 40,184, 60,276 and 15,560

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Solution

The fourth proportional to 40,184, 60,276 and 15,560 is: 23,340

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184 : 60,276 = 15,560 : x
  2. Step 2: Convert to fraction form
    40,184/60,276 = 15,560/x
  3. Step 3: Cross multiply
    40,184x = 60,276 × 15,560
  4. Step 4: Simplify right side
    40,184x = 937,894,560
  5. Step 5: Solve for x
    x = 937,894,560/40,184
  6. Step 6: Final answer
    x = 23,340

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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.