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Finding the Fourth Proportional to 7,553.86, 10,398.45 and 6,553.24

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Solution

The fourth proportional to 7,553.86, 10,398.45 and 6,553.24 is: 9,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.86 : 10,398.45 = 6,553.24 : x
  2. Step 2: Convert to fraction form
    7,553.86/10,398.45 = 6,553.24/x
  3. Step 3: Cross multiply
    7,553.86x = 10,398.45 × 6,553.24
  4. Step 4: Simplify right side
    7,553.86x = 68,143,538.48
  5. Step 5: Solve for x
    x = 68,143,538.48/7,553.86
  6. Step 6: Final answer
    x = 9,021.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.