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Finding the Fourth Proportional to 7,579.72, 10,460.04 and 4,393.63

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Solution

The fourth proportional to 7,579.72, 10,460.04 and 4,393.63 is: 6,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.72 : 10,460.04 = 4,393.63 : x
  2. Step 2: Convert to fraction form
    7,579.72/10,460.04 = 4,393.63/x
  3. Step 3: Cross multiply
    7,579.72x = 10,460.04 × 4,393.63
  4. Step 4: Simplify right side
    7,579.72x = 45,957,523.58
  5. Step 5: Solve for x
    x = 45,957,523.58/7,579.72
  6. Step 6: Final answer
    x = 6,063.22

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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.