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Finding the Fourth Proportional to 19,607.70, 27,064.14 and 16,079.34

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Solution

The fourth proportional to 19,607.70, 27,064.14 and 16,079.34 is: 22,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.70 : 27,064.14 = 16,079.34 : x
  2. Step 2: Convert to fraction form
    19,607.70/27,064.14 = 16,079.34/x
  3. Step 3: Cross multiply
    19,607.70x = 27,064.14 × 16,079.34
  4. Step 4: Simplify right side
    19,607.70x = 435,173,508.87
  5. Step 5: Solve for x
    x = 435,173,508.87/19,607.70
  6. Step 6: Final answer
    x = 22,194.01

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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.