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Finding the Fourth Proportional to 38,573.76, 53,222.40 and 22,658.88

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Solution

The fourth proportional to 38,573.76, 53,222.40 and 22,658.88 is: 31,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.76 : 53,222.40 = 22,658.88 : x
  2. Step 2: Convert to fraction form
    38,573.76/53,222.40 = 22,658.88/x
  3. Step 3: Cross multiply
    38,573.76x = 53,222.40 × 22,658.88
  4. Step 4: Simplify right side
    38,573.76x = 1,205,959,974.91
  5. Step 5: Solve for x
    x = 1,205,959,974.91/38,573.76
  6. Step 6: Final answer
    x = 31,263.74

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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.