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Finding the Fourth Proportional to 19,266.70, 27,031.70 and 19,266.70

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Solution

The fourth proportional to 19,266.70, 27,031.70 and 19,266.70 is: 27,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.70 : 27,031.70 = 19,266.70 : x
  2. Step 2: Convert to fraction form
    19,266.70/27,031.70 = 19,266.70/x
  3. Step 3: Cross multiply
    19,266.70x = 27,031.70 × 19,266.70
  4. Step 4: Simplify right side
    19,266.70x = 520,811,654.39
  5. Step 5: Solve for x
    x = 520,811,654.39/19,266.70
  6. Step 6: Final answer
    x = 27,031.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.