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Finding the Fourth Proportional to 13,052.70, 19,579.05 and 10,460.70

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Solution

The fourth proportional to 13,052.70, 19,579.05 and 10,460.70 is: 15,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.70 : 19,579.05 = 10,460.70 : x
  2. Step 2: Convert to fraction form
    13,052.70/19,579.05 = 10,460.70/x
  3. Step 3: Cross multiply
    13,052.70x = 19,579.05 × 10,460.70
  4. Step 4: Simplify right side
    13,052.70x = 204,810,568.34
  5. Step 5: Solve for x
    x = 204,810,568.34/13,052.70
  6. Step 6: Final answer
    x = 15,691.05

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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.