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Finding the Fourth Proportional to 38,104.76, 52,582.03 and 21,107.86

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Solution

The fourth proportional to 38,104.76, 52,582.03 and 21,107.86 is: 29,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.76 : 52,582.03 = 21,107.86 : x
  2. Step 2: Convert to fraction form
    38,104.76/52,582.03 = 21,107.86/x
  3. Step 3: Cross multiply
    38,104.76x = 52,582.03 × 21,107.86
  4. Step 4: Simplify right side
    38,104.76x = 1,109,893,943.53
  5. Step 5: Solve for x
    x = 1,109,893,943.53/38,104.76
  6. Step 6: Final answer
    x = 29,127.43

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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.