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Finding the Fourth Proportional to 3,572.16, 5,347.62 and 3,196.74

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Solution

The fourth proportional to 3,572.16, 5,347.62 and 3,196.74 is: 4,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.16 : 5,347.62 = 3,196.74 : x
  2. Step 2: Convert to fraction form
    3,572.16/5,347.62 = 3,196.74/x
  3. Step 3: Cross multiply
    3,572.16x = 5,347.62 × 3,196.74
  4. Step 4: Simplify right side
    3,572.16x = 17,094,950.76
  5. Step 5: Solve for x
    x = 17,094,950.76/3,572.16
  6. Step 6: Final answer
    x = 4,785.61

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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.