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Finding the Fourth Proportional to 3,059.68, 4,588.11 and 979.27

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Solution

The fourth proportional to 3,059.68, 4,588.11 and 979.27 is: 1,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.68 : 4,588.11 = 979.27 : x
  2. Step 2: Convert to fraction form
    3,059.68/4,588.11 = 979.27/x
  3. Step 3: Cross multiply
    3,059.68x = 4,588.11 × 979.27
  4. Step 4: Simplify right side
    3,059.68x = 4,492,998.48
  5. Step 5: Solve for x
    x = 4,492,998.48/3,059.68
  6. Step 6: Final answer
    x = 1,468.45

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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.