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Finding the Fourth Proportional to 16,477.20, 24,715.80 and 15,383.70

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Solution

The fourth proportional to 16,477.20, 24,715.80 and 15,383.70 is: 23,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.20 : 24,715.80 = 15,383.70 : x
  2. Step 2: Convert to fraction form
    16,477.20/24,715.80 = 15,383.70/x
  3. Step 3: Cross multiply
    16,477.20x = 24,715.80 × 15,383.70
  4. Step 4: Simplify right side
    16,477.20x = 380,220,452.46
  5. Step 5: Solve for x
    x = 380,220,452.46/16,477.20
  6. Step 6: Final answer
    x = 23,075.55

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Similar ratio
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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.