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Finding the Fourth Proportional to 19,594.70, 27,022.02 and 12,885.98

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Solution

The fourth proportional to 19,594.70, 27,022.02 and 12,885.98 is: 17,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,594.70 : 27,022.02 = 12,885.98 : x
  2. Step 2: Convert to fraction form
    19,594.70/27,022.02 = 12,885.98/x
  3. Step 3: Cross multiply
    19,594.70x = 27,022.02 × 12,885.98
  4. Step 4: Simplify right side
    19,594.70x = 348,205,209.28
  5. Step 5: Solve for x
    x = 348,205,209.28/19,594.70
  6. Step 6: Final answer
    x = 17,770.38

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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.