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Finding the Fourth Proportional to 7,203.07, 9,943.10 and 6,190.77

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Solution

The fourth proportional to 7,203.07, 9,943.10 and 6,190.77 is: 8,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.07 : 9,943.10 = 6,190.77 : x
  2. Step 2: Convert to fraction form
    7,203.07/9,943.10 = 6,190.77/x
  3. Step 3: Cross multiply
    7,203.07x = 9,943.10 × 6,190.77
  4. Step 4: Simplify right side
    7,203.07x = 61,555,445.19
  5. Step 5: Solve for x
    x = 61,555,445.19/7,203.07
  6. Step 6: Final answer
    x = 8,545.72

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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.