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Finding the Fourth Proportional to 13,201.54, 19,753.10 and 13,053.91

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Solution

The fourth proportional to 13,201.54, 19,753.10 and 13,053.91 is: 19,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.54 : 19,753.10 = 13,053.91 : x
  2. Step 2: Convert to fraction form
    13,201.54/19,753.10 = 13,053.91/x
  3. Step 3: Cross multiply
    13,201.54x = 19,753.10 × 13,053.91
  4. Step 4: Simplify right side
    13,201.54x = 257,855,124.35
  5. Step 5: Solve for x
    x = 257,855,124.35/13,201.54
  6. Step 6: Final answer
    x = 19,532.20

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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.