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Finding the Fourth Proportional to 38,797.64, 53,538.90 and 22,030.28

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Solution

The fourth proportional to 38,797.64, 53,538.90 and 22,030.28 is: 30,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,797.64 : 53,538.90 = 22,030.28 : x
  2. Step 2: Convert to fraction form
    38,797.64/53,538.90 = 22,030.28/x
  3. Step 3: Cross multiply
    38,797.64x = 53,538.90 × 22,030.28
  4. Step 4: Simplify right side
    38,797.64x = 1,179,476,957.89
  5. Step 5: Solve for x
    x = 1,179,476,957.89/38,797.64
  6. Step 6: Final answer
    x = 30,400.74

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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.