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Finding the Fourth Proportional to 16,392.65, 22,621.05 and 10,029.83

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Solution

The fourth proportional to 16,392.65, 22,621.05 and 10,029.83 is: 13,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.65 : 22,621.05 = 10,029.83 : x
  2. Step 2: Convert to fraction form
    16,392.65/22,621.05 = 10,029.83/x
  3. Step 3: Cross multiply
    16,392.65x = 22,621.05 × 10,029.83
  4. Step 4: Simplify right side
    16,392.65x = 226,885,172.82
  5. Step 5: Solve for x
    x = 226,885,172.82/16,392.65
  6. Step 6: Final answer
    x = 13,840.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.