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Finding the Fourth Proportional to 7,661.52, 10,573.67 and 4,679.10

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Solution

The fourth proportional to 7,661.52, 10,573.67 and 4,679.10 is: 6,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.52 : 10,573.67 = 4,679.10 : x
  2. Step 2: Convert to fraction form
    7,661.52/10,573.67 = 4,679.10/x
  3. Step 3: Cross multiply
    7,661.52x = 10,573.67 × 4,679.10
  4. Step 4: Simplify right side
    7,661.52x = 49,475,270.99
  5. Step 5: Solve for x
    x = 49,475,270.99/7,661.52
  6. Step 6: Final answer
    x = 6,457.63

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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.