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Finding the Fourth Proportional to 3,284.16, 4,925.52 and 974.88

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Solution

The fourth proportional to 3,284.16, 4,925.52 and 974.88 is: 1,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.16 : 4,925.52 = 974.88 : x
  2. Step 2: Convert to fraction form
    3,284.16/4,925.52 = 974.88/x
  3. Step 3: Cross multiply
    3,284.16x = 4,925.52 × 974.88
  4. Step 4: Simplify right side
    3,284.16x = 4,801,790.94
  5. Step 5: Solve for x
    x = 4,801,790.94/3,284.16
  6. Step 6: Final answer
    x = 1,462.11

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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.