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Finding the Fourth Proportional to 6,859.52, 9,466.04 and 3,715.68

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Solution

The fourth proportional to 6,859.52, 9,466.04 and 3,715.68 is: 5,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.52 : 9,466.04 = 3,715.68 : x
  2. Step 2: Convert to fraction form
    6,859.52/9,466.04 = 3,715.68/x
  3. Step 3: Cross multiply
    6,859.52x = 9,466.04 × 3,715.68
  4. Step 4: Simplify right side
    6,859.52x = 35,172,775.51
  5. Step 5: Solve for x
    x = 35,172,775.51/6,859.52
  6. Step 6: Final answer
    x = 5,127.59

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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.