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Finding the Fourth Proportional to 4,972.28, 7,461.66 and 1,894.28

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Solution

The fourth proportional to 4,972.28, 7,461.66 and 1,894.28 is: 2,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.28 : 7,461.66 = 1,894.28 : x
  2. Step 2: Convert to fraction form
    4,972.28/7,461.66 = 1,894.28/x
  3. Step 3: Cross multiply
    4,972.28x = 7,461.66 × 1,894.28
  4. Step 4: Simplify right side
    4,972.28x = 14,134,473.30
  5. Step 5: Solve for x
    x = 14,134,473.30/4,972.28
  6. Step 6: Final answer
    x = 2,842.65

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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.