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Finding the Fourth Proportional to 7,018.52, 10,522.19 and 4,053.59

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Solution

The fourth proportional to 7,018.52, 10,522.19 and 4,053.59 is: 6,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.52 : 10,522.19 = 4,053.59 : x
  2. Step 2: Convert to fraction form
    7,018.52/10,522.19 = 4,053.59/x
  3. Step 3: Cross multiply
    7,018.52x = 10,522.19 × 4,053.59
  4. Step 4: Simplify right side
    7,018.52x = 42,652,625.94
  5. Step 5: Solve for x
    x = 42,652,625.94/7,018.52
  6. Step 6: Final answer
    x = 6,077.15

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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.