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Finding the Fourth Proportional to 53,908.90, 80,834.55 and 22,708.90

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Solution

The fourth proportional to 53,908.90, 80,834.55 and 22,708.90 is: 34,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.90 : 80,834.55 = 22,708.90 : x
  2. Step 2: Convert to fraction form
    53,908.90/80,834.55 = 22,708.90/x
  3. Step 3: Cross multiply
    53,908.90x = 80,834.55 × 22,708.90
  4. Step 4: Simplify right side
    53,908.90x = 1,835,663,712.50
  5. Step 5: Solve for x
    x = 1,835,663,712.50/53,908.90
  6. Step 6: Final answer
    x = 34,051.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.