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Finding the Fourth Proportional to 38,797.47, 53,540.57 and 22,030.47

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Solution

The fourth proportional to 38,797.47, 53,540.57 and 22,030.47 is: 30,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,797.47 : 53,540.57 = 22,030.47 : x
  2. Step 2: Convert to fraction form
    38,797.47/53,540.57 = 22,030.47/x
  3. Step 3: Cross multiply
    38,797.47x = 53,540.57 × 22,030.47
  4. Step 4: Simplify right side
    38,797.47x = 1,179,523,921.17
  5. Step 5: Solve for x
    x = 1,179,523,921.17/38,797.47
  6. Step 6: Final answer
    x = 30,402.08

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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.