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Finding the Fourth Proportional to 13,297.60, 19,946.94 and 7,063.48

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Solution

The fourth proportional to 13,297.60, 19,946.94 and 7,063.48 is: 10,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.60 : 19,946.94 = 7,063.48 : x
  2. Step 2: Convert to fraction form
    13,297.60/19,946.94 = 7,063.48/x
  3. Step 3: Cross multiply
    13,297.60x = 19,946.94 × 7,063.48
  4. Step 4: Simplify right side
    13,297.60x = 140,894,811.75
  5. Step 5: Solve for x
    x = 140,894,811.75/13,297.60
  6. Step 6: Final answer
    x = 10,595.51

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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.