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Finding the Fourth Proportional to 27,579, 38,059.32 and 15,004.02

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Solution

The fourth proportional to 27,579, 38,059.32 and 15,004.02 is: 20,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579 : 38,059.32 = 15,004.02 : x
  2. Step 2: Convert to fraction form
    27,579/38,059.32 = 15,004.02/x
  3. Step 3: Cross multiply
    27,579x = 38,059.32 × 15,004.02
  4. Step 4: Simplify right side
    27,579x = 571,042,798.47
  5. Step 5: Solve for x
    x = 571,042,798.47/27,579
  6. Step 6: Final answer
    x = 20,705.71

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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.