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Finding the Fourth Proportional to 19,610.55, 27,062.81 and 10,658.19

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Solution

The fourth proportional to 19,610.55, 27,062.81 and 10,658.19 is: 14,708.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.55 : 27,062.81 = 10,658.19 : x
  2. Step 2: Convert to fraction form
    19,610.55/27,062.81 = 10,658.19/x
  3. Step 3: Cross multiply
    19,610.55x = 27,062.81 × 10,658.19
  4. Step 4: Simplify right side
    19,610.55x = 288,440,570.91
  5. Step 5: Solve for x
    x = 288,440,570.91/19,610.55
  6. Step 6: Final answer
    x = 14,708.44

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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.