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Finding the Fourth Proportional to 27,009.71, 40,486.88 and 10,365.28

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Solution

The fourth proportional to 27,009.71, 40,486.88 and 10,365.28 is: 15,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.71 : 40,486.88 = 10,365.28 : x
  2. Step 2: Convert to fraction form
    27,009.71/40,486.88 = 10,365.28/x
  3. Step 3: Cross multiply
    27,009.71x = 40,486.88 × 10,365.28
  4. Step 4: Simplify right side
    27,009.71x = 419,657,593.27
  5. Step 5: Solve for x
    x = 419,657,593.27/27,009.71
  6. Step 6: Final answer
    x = 15,537.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.