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Finding the Fourth Proportional to 7,266.41, 10,898.28 and 1,929.62

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Solution

The fourth proportional to 7,266.41, 10,898.28 and 1,929.62 is: 2,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.41 : 10,898.28 = 1,929.62 : x
  2. Step 2: Convert to fraction form
    7,266.41/10,898.28 = 1,929.62/x
  3. Step 3: Cross multiply
    7,266.41x = 10,898.28 × 1,929.62
  4. Step 4: Simplify right side
    7,266.41x = 21,029,484.56
  5. Step 5: Solve for x
    x = 21,029,484.56/7,266.41
  6. Step 6: Final answer
    x = 2,894.07

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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.