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Finding the Fourth Proportional to 7,579.04, 11,368.56 and 4,491.68

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Solution

The fourth proportional to 7,579.04, 11,368.56 and 4,491.68 is: 6,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.04 : 11,368.56 = 4,491.68 : x
  2. Step 2: Convert to fraction form
    7,579.04/11,368.56 = 4,491.68/x
  3. Step 3: Cross multiply
    7,579.04x = 11,368.56 × 4,491.68
  4. Step 4: Simplify right side
    7,579.04x = 51,063,933.58
  5. Step 5: Solve for x
    x = 51,063,933.58/7,579.04
  6. Step 6: Final answer
    x = 6,737.52

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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.