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Finding the Fourth Proportional to 14,549.74, 21,826.72 and 4,685.74

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Solution

The fourth proportional to 14,549.74, 21,826.72 and 4,685.74 is: 7,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.74 : 21,826.72 = 4,685.74 : x
  2. Step 2: Convert to fraction form
    14,549.74/21,826.72 = 4,685.74/x
  3. Step 3: Cross multiply
    14,549.74x = 21,826.72 × 4,685.74
  4. Step 4: Simplify right side
    14,549.74x = 102,274,334.97
  5. Step 5: Solve for x
    x = 102,274,334.97/14,549.74
  6. Step 6: Final answer
    x = 7,029.29

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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.