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Finding the Fourth Proportional to 7,906.51, 10,910.91 and 4,369.69

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Solution

The fourth proportional to 7,906.51, 10,910.91 and 4,369.69 is: 6,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.51 : 10,910.91 = 4,369.69 : x
  2. Step 2: Convert to fraction form
    7,906.51/10,910.91 = 4,369.69/x
  3. Step 3: Cross multiply
    7,906.51x = 10,910.91 × 4,369.69
  4. Step 4: Simplify right side
    7,906.51x = 47,677,294.32
  5. Step 5: Solve for x
    x = 47,677,294.32/7,906.51
  6. Step 6: Final answer
    x = 6,030.13

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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.