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Finding the Fourth Proportional to 7,045.72, 10,579.76 and 6,794.24

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Solution

The fourth proportional to 7,045.72, 10,579.76 and 6,794.24 is: 10,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.72 : 10,579.76 = 6,794.24 : x
  2. Step 2: Convert to fraction form
    7,045.72/10,579.76 = 6,794.24/x
  3. Step 3: Cross multiply
    7,045.72x = 10,579.76 × 6,794.24
  4. Step 4: Simplify right side
    7,045.72x = 71,881,428.58
  5. Step 5: Solve for x
    x = 71,881,428.58/7,045.72
  6. Step 6: Final answer
    x = 10,202.14

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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.