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Finding the Fourth Proportional to 53,503.98, 80,226.81 and 22,315.74

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Solution

The fourth proportional to 53,503.98, 80,226.81 and 22,315.74 is: 33,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,503.98 : 80,226.81 = 22,315.74 : x
  2. Step 2: Convert to fraction form
    53,503.98/80,226.81 = 22,315.74/x
  3. Step 3: Cross multiply
    53,503.98x = 80,226.81 × 22,315.74
  4. Step 4: Simplify right side
    53,503.98x = 1,790,320,632.99
  5. Step 5: Solve for x
    x = 1,790,320,632.99/53,503.98
  6. Step 6: Final answer
    x = 33,461.45

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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.