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Finding the Fourth Proportional to 7,751.99, 10,696.91 and 4,565.09

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Solution

The fourth proportional to 7,751.99, 10,696.91 and 4,565.09 is: 6,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.99 : 10,696.91 = 4,565.09 : x
  2. Step 2: Convert to fraction form
    7,751.99/10,696.91 = 4,565.09/x
  3. Step 3: Cross multiply
    7,751.99x = 10,696.91 × 4,565.09
  4. Step 4: Simplify right side
    7,751.99x = 48,832,386.47
  5. Step 5: Solve for x
    x = 48,832,386.47/7,751.99
  6. Step 6: Final answer
    x = 6,299.34

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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.