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Finding the Fourth Proportional to 19,277.70, 27,010.65 and 19,277.70

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Solution

The fourth proportional to 19,277.70, 27,010.65 and 19,277.70 is: 27,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.70 : 27,010.65 = 19,277.70 : x
  2. Step 2: Convert to fraction form
    19,277.70/27,010.65 = 19,277.70/x
  3. Step 3: Cross multiply
    19,277.70x = 27,010.65 × 19,277.70
  4. Step 4: Simplify right side
    19,277.70x = 520,703,207.51
  5. Step 5: Solve for x
    x = 520,703,207.51/19,277.70
  6. Step 6: Final answer
    x = 27,010.65

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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.