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Finding the Fourth Proportional to 60,626.88, 90,927.36 and 19,064.64

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Solution

The fourth proportional to 60,626.88, 90,927.36 and 19,064.64 is: 28,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,626.88 : 90,927.36 = 19,064.64 : x
  2. Step 2: Convert to fraction form
    60,626.88/90,927.36 = 19,064.64/x
  3. Step 3: Cross multiply
    60,626.88x = 90,927.36 × 19,064.64
  4. Step 4: Simplify right side
    60,626.88x = 1,733,497,384.55
  5. Step 5: Solve for x
    x = 1,733,497,384.55/60,626.88
  6. Step 6: Final answer
    x = 28,592.88

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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.