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Finding the Fourth Proportional to 31,053.04, 46,579.56 and 7,679.68

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Solution

The fourth proportional to 31,053.04, 46,579.56 and 7,679.68 is: 11,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053.04 : 46,579.56 = 7,679.68 : x
  2. Step 2: Convert to fraction form
    31,053.04/46,579.56 = 7,679.68/x
  3. Step 3: Cross multiply
    31,053.04x = 46,579.56 × 7,679.68
  4. Step 4: Simplify right side
    31,053.04x = 357,716,115.34
  5. Step 5: Solve for x
    x = 357,716,115.34/31,053.04
  6. Step 6: Final answer
    x = 11,519.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.