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Finding the Fourth Proportional to 53,605, 80,392.38 and 22,401.64

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Solution

The fourth proportional to 53,605, 80,392.38 and 22,401.64 is: 33,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,605 : 80,392.38 = 22,401.64 : x
  2. Step 2: Convert to fraction form
    53,605/80,392.38 = 22,401.64/x
  3. Step 3: Cross multiply
    53,605x = 80,392.38 × 22,401.64
  4. Step 4: Simplify right side
    53,605x = 1,800,921,155.50
  5. Step 5: Solve for x
    x = 1,800,921,155.50/53,605
  6. Step 6: Final answer
    x = 33,596.14

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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.