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Finding the Fourth Proportional to 2,014.86, 3,021.81 and 974.32

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Solution

The fourth proportional to 2,014.86, 3,021.81 and 974.32 is: 1,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.86 : 3,021.81 = 974.32 : x
  2. Step 2: Convert to fraction form
    2,014.86/3,021.81 = 974.32/x
  3. Step 3: Cross multiply
    2,014.86x = 3,021.81 × 974.32
  4. Step 4: Simplify right side
    2,014.86x = 2,944,209.92
  5. Step 5: Solve for x
    x = 2,944,209.92/2,014.86
  6. Step 6: Final answer
    x = 1,461.25

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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.