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Finding the Fourth Proportional to 60,497.28, 90,621.08 and 35,461.30

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Solution

The fourth proportional to 60,497.28, 90,621.08 and 35,461.30 is: 53,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.28 : 90,621.08 = 35,461.30 : x
  2. Step 2: Convert to fraction form
    60,497.28/90,621.08 = 35,461.30/x
  3. Step 3: Cross multiply
    60,497.28x = 90,621.08 × 35,461.30
  4. Step 4: Simplify right side
    60,497.28x = 3,213,541,304.20
  5. Step 5: Solve for x
    x = 3,213,541,304.20/60,497.28
  6. Step 6: Final answer
    x = 53,118.77

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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.