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Finding the Fourth Proportional to 7,580.01, 10,469.19 and 5,057.76

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Solution

The fourth proportional to 7,580.01, 10,469.19 and 5,057.76 is: 6,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.01 : 10,469.19 = 5,057.76 : x
  2. Step 2: Convert to fraction form
    7,580.01/10,469.19 = 5,057.76/x
  3. Step 3: Cross multiply
    7,580.01x = 10,469.19 × 5,057.76
  4. Step 4: Simplify right side
    7,580.01x = 52,950,650.41
  5. Step 5: Solve for x
    x = 52,950,650.41/7,580.01
  6. Step 6: Final answer
    x = 6,985.56

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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.