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Finding the Fourth Proportional to 27,651, 38,158.65 and 15,076.02

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Solution

The fourth proportional to 27,651, 38,158.65 and 15,076.02 is: 20,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651 : 38,158.65 = 15,076.02 : x
  2. Step 2: Convert to fraction form
    27,651/38,158.65 = 15,076.02/x
  3. Step 3: Cross multiply
    27,651x = 38,158.65 × 15,076.02
  4. Step 4: Simplify right side
    27,651x = 575,280,570.57
  5. Step 5: Solve for x
    x = 575,280,570.57/27,651
  6. Step 6: Final answer
    x = 20,805.05

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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.