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Finding the Fourth Proportional to 15,269.76, 22,942.80 and 9,725.76

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Solution

The fourth proportional to 15,269.76, 22,942.80 and 9,725.76 is: 14,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.76 : 22,942.80 = 9,725.76 : x
  2. Step 2: Convert to fraction form
    15,269.76/22,942.80 = 9,725.76/x
  3. Step 3: Cross multiply
    15,269.76x = 22,942.80 × 9,725.76
  4. Step 4: Simplify right side
    15,269.76x = 223,136,166.53
  5. Step 5: Solve for x
    x = 223,136,166.53/15,269.76
  6. Step 6: Final answer
    x = 14,612.95

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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.