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Finding the Fourth Proportional to 13,314.72, 19,972.08 and 6,295.44

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Solution

The fourth proportional to 13,314.72, 19,972.08 and 6,295.44 is: 9,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.72 : 19,972.08 = 6,295.44 : x
  2. Step 2: Convert to fraction form
    13,314.72/19,972.08 = 6,295.44/x
  3. Step 3: Cross multiply
    13,314.72x = 19,972.08 × 6,295.44
  4. Step 4: Simplify right side
    13,314.72x = 125,733,031.32
  5. Step 5: Solve for x
    x = 125,733,031.32/13,314.72
  6. Step 6: Final answer
    x = 9,443.16

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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.