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Finding the Fourth Proportional to 5,979.06, 8,970.03 and 3,785.22

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Solution

The fourth proportional to 5,979.06, 8,970.03 and 3,785.22 is: 5,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.06 : 8,970.03 = 3,785.22 : x
  2. Step 2: Convert to fraction form
    5,979.06/8,970.03 = 3,785.22/x
  3. Step 3: Cross multiply
    5,979.06x = 8,970.03 × 3,785.22
  4. Step 4: Simplify right side
    5,979.06x = 33,953,536.96
  5. Step 5: Solve for x
    x = 33,953,536.96/5,979.06
  6. Step 6: Final answer
    x = 5,678.74

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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.