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Finding the Fourth Proportional to 40,437.88, 60,654.74 and 15,476

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Solution

The fourth proportional to 40,437.88, 60,654.74 and 15,476 is: 23,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.88 : 60,654.74 = 15,476 : x
  2. Step 2: Convert to fraction form
    40,437.88/60,654.74 = 15,476/x
  3. Step 3: Cross multiply
    40,437.88x = 60,654.74 × 15,476
  4. Step 4: Simplify right side
    40,437.88x = 938,692,756.24
  5. Step 5: Solve for x
    x = 938,692,756.24/40,437.88
  6. Step 6: Final answer
    x = 23,213.20

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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.