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Finding the Fourth Proportional to 4,894, 7,341.12 and 1,246

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Solution

The fourth proportional to 4,894, 7,341.12 and 1,246 is: 1,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894 : 7,341.12 = 1,246 : x
  2. Step 2: Convert to fraction form
    4,894/7,341.12 = 1,246/x
  3. Step 3: Cross multiply
    4,894x = 7,341.12 × 1,246
  4. Step 4: Simplify right side
    4,894x = 9,147,035.52
  5. Step 5: Solve for x
    x = 9,147,035.52/4,894
  6. Step 6: Final answer
    x = 1,869.03

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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.