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Finding the Fourth Proportional to 7,368.72, 11,064.17 and 6,339.93

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Solution

The fourth proportional to 7,368.72, 11,064.17 and 6,339.93 is: 9,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.72 : 11,064.17 = 6,339.93 : x
  2. Step 2: Convert to fraction form
    7,368.72/11,064.17 = 6,339.93/x
  3. Step 3: Cross multiply
    7,368.72x = 11,064.17 × 6,339.93
  4. Step 4: Simplify right side
    7,368.72x = 70,146,063.31
  5. Step 5: Solve for x
    x = 70,146,063.31/7,368.72
  6. Step 6: Final answer
    x = 9,519.44

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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.