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Finding the Fourth Proportional to 7,679.04, 10,583.04 and 5,579.52

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Solution

The fourth proportional to 7,679.04, 10,583.04 and 5,579.52 is: 7,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.04 : 10,583.04 = 5,579.52 : x
  2. Step 2: Convert to fraction form
    7,679.04/10,583.04 = 5,579.52/x
  3. Step 3: Cross multiply
    7,679.04x = 10,583.04 × 5,579.52
  4. Step 4: Simplify right side
    7,679.04x = 59,048,283.34
  5. Step 5: Solve for x
    x = 59,048,283.34/7,679.04
  6. Step 6: Final answer
    x = 7,689.54

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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.