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Finding the Fourth Proportional to 19,010.70, 27,410.40 and 19,010.70

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Solution

The fourth proportional to 19,010.70, 27,410.40 and 19,010.70 is: 27,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.70 : 27,410.40 = 19,010.70 : x
  2. Step 2: Convert to fraction form
    19,010.70/27,410.40 = 19,010.70/x
  3. Step 3: Cross multiply
    19,010.70x = 27,410.40 × 19,010.70
  4. Step 4: Simplify right side
    19,010.70x = 521,090,891.28
  5. Step 5: Solve for x
    x = 521,090,891.28/19,010.70
  6. Step 6: Final answer
    x = 27,410.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.