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Finding the Fourth Proportional to 3,282.81, 4,925.03 and 974.31

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Solution

The fourth proportional to 3,282.81, 4,925.03 and 974.31 is: 1,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.81 : 4,925.03 = 974.31 : x
  2. Step 2: Convert to fraction form
    3,282.81/4,925.03 = 974.31/x
  3. Step 3: Cross multiply
    3,282.81x = 4,925.03 × 974.31
  4. Step 4: Simplify right side
    3,282.81x = 4,798,518.29
  5. Step 5: Solve for x
    x = 4,798,518.29/3,282.81
  6. Step 6: Final answer
    x = 1,461.71

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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.