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Finding the Fourth Proportional to 19,059.48, 26,306.16 and 11,100.48

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Solution

The fourth proportional to 19,059.48, 26,306.16 and 11,100.48 is: 15,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.48 : 26,306.16 = 11,100.48 : x
  2. Step 2: Convert to fraction form
    19,059.48/26,306.16 = 11,100.48/x
  3. Step 3: Cross multiply
    19,059.48x = 26,306.16 × 11,100.48
  4. Step 4: Simplify right side
    19,059.48x = 292,011,002.96
  5. Step 5: Solve for x
    x = 292,011,002.96/19,059.48
  6. Step 6: Final answer
    x = 15,321.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.