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Finding the Fourth Proportional to 15,461.74, 23,183.88 and 4,929.76

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Solution

The fourth proportional to 15,461.74, 23,183.88 and 4,929.76 is: 7,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.74 : 23,183.88 = 4,929.76 : x
  2. Step 2: Convert to fraction form
    15,461.74/23,183.88 = 4,929.76/x
  3. Step 3: Cross multiply
    15,461.74x = 23,183.88 × 4,929.76
  4. Step 4: Simplify right side
    15,461.74x = 114,290,964.27
  5. Step 5: Solve for x
    x = 114,290,964.27/15,461.74
  6. Step 6: Final answer
    x = 7,391.86

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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.