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Finding the Fourth Proportional to 15,123.35, 22,674.22 and 7,113.63

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Solution

The fourth proportional to 15,123.35, 22,674.22 and 7,113.63 is: 10,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.35 : 22,674.22 = 7,113.63 : x
  2. Step 2: Convert to fraction form
    15,123.35/22,674.22 = 7,113.63/x
  3. Step 3: Cross multiply
    15,123.35x = 22,674.22 × 7,113.63
  4. Step 4: Simplify right side
    15,123.35x = 161,296,005.09
  5. Step 5: Solve for x
    x = 161,296,005.09/15,123.35
  6. Step 6: Final answer
    x = 10,665.37

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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.