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Finding the Fourth Proportional to 10,035.66, 15,063.21 and 4,845.18

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Solution

The fourth proportional to 10,035.66, 15,063.21 and 4,845.18 is: 7,272.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.66 : 15,063.21 = 4,845.18 : x
  2. Step 2: Convert to fraction form
    10,035.66/15,063.21 = 4,845.18/x
  3. Step 3: Cross multiply
    10,035.66x = 15,063.21 × 4,845.18
  4. Step 4: Simplify right side
    10,035.66x = 72,983,963.83
  5. Step 5: Solve for x
    x = 72,983,963.83/10,035.66
  6. Step 6: Final answer
    x = 7,272.46

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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.