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Finding the Fourth Proportional to 4,666.61, 6,979.26 and 4,150.24

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Solution

The fourth proportional to 4,666.61, 6,979.26 and 4,150.24 is: 6,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.61 : 6,979.26 = 4,150.24 : x
  2. Step 2: Convert to fraction form
    4,666.61/6,979.26 = 4,150.24/x
  3. Step 3: Cross multiply
    4,666.61x = 6,979.26 × 4,150.24
  4. Step 4: Simplify right side
    4,666.61x = 28,965,602.14
  5. Step 5: Solve for x
    x = 28,965,602.14/4,666.61
  6. Step 6: Final answer
    x = 6,206.99

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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.