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Finding the Fourth Proportional to 19,609.93, 27,062.30 and 12,060.70

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Solution

The fourth proportional to 19,609.93, 27,062.30 and 12,060.70 is: 16,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.93 : 27,062.30 = 12,060.70 : x
  2. Step 2: Convert to fraction form
    19,609.93/27,062.30 = 12,060.70/x
  3. Step 3: Cross multiply
    19,609.93x = 27,062.30 × 12,060.70
  4. Step 4: Simplify right side
    19,609.93x = 326,390,244.11
  5. Step 5: Solve for x
    x = 326,390,244.11/19,609.93
  6. Step 6: Final answer
    x = 16,644.13

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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.