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Finding the Fourth Proportional to 27,292, 37,662.40 and 15,192.32

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Solution

The fourth proportional to 27,292, 37,662.40 and 15,192.32 is: 20,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292 : 37,662.40 = 15,192.32 : x
  2. Step 2: Convert to fraction form
    27,292/37,662.40 = 15,192.32/x
  3. Step 3: Cross multiply
    27,292x = 37,662.40 × 15,192.32
  4. Step 4: Simplify right side
    27,292x = 572,179,232.77
  5. Step 5: Solve for x
    x = 572,179,232.77/27,292
  6. Step 6: Final answer
    x = 20,965.09

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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.