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Finding the Fourth Proportional to 38,653.92, 53,352.92 and 22,743.50

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Solution

The fourth proportional to 38,653.92, 53,352.92 and 22,743.50 is: 31,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.92 : 53,352.92 = 22,743.50 : x
  2. Step 2: Convert to fraction form
    38,653.92/53,352.92 = 22,743.50/x
  3. Step 3: Cross multiply
    38,653.92x = 53,352.92 × 22,743.50
  4. Step 4: Simplify right side
    38,653.92x = 1,213,432,136.02
  5. Step 5: Solve for x
    x = 1,213,432,136.02/38,653.92
  6. Step 6: Final answer
    x = 31,392.21

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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.