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Finding the Fourth Proportional to 19,580.29, 27,020.86 and 10,627.86

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Solution

The fourth proportional to 19,580.29, 27,020.86 and 10,627.86 is: 14,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.29 : 27,020.86 = 10,627.86 : x
  2. Step 2: Convert to fraction form
    19,580.29/27,020.86 = 10,627.86/x
  3. Step 3: Cross multiply
    19,580.29x = 27,020.86 × 10,627.86
  4. Step 4: Simplify right side
    19,580.29x = 287,173,991.92
  5. Step 5: Solve for x
    x = 287,173,991.92/19,580.29
  6. Step 6: Final answer
    x = 14,666.48

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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.