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Finding the Fourth Proportional to 13,234.01, 18,264.39 and 7,569.28

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Solution

The fourth proportional to 13,234.01, 18,264.39 and 7,569.28 is: 10,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.01 : 18,264.39 = 7,569.28 : x
  2. Step 2: Convert to fraction form
    13,234.01/18,264.39 = 7,569.28/x
  3. Step 3: Cross multiply
    13,234.01x = 18,264.39 × 7,569.28
  4. Step 4: Simplify right side
    13,234.01x = 138,248,152.77
  5. Step 5: Solve for x
    x = 138,248,152.77/13,234.01
  6. Step 6: Final answer
    x = 10,446.43

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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.