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Finding the Fourth Proportional to 38,574.76, 53,223.78 and 22,659.88

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Solution

The fourth proportional to 38,574.76, 53,223.78 and 22,659.88 is: 31,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.76 : 53,223.78 = 22,659.88 : x
  2. Step 2: Convert to fraction form
    38,574.76/53,223.78 = 22,659.88/x
  3. Step 3: Cross multiply
    38,574.76x = 53,223.78 × 22,659.88
  4. Step 4: Simplify right side
    38,574.76x = 1,206,044,467.95
  5. Step 5: Solve for x
    x = 1,206,044,467.95/38,574.76
  6. Step 6: Final answer
    x = 31,265.12

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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.