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Finding the Fourth Proportional to 52,993.60, 79,491.20 and 13,549.84

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Solution

The fourth proportional to 52,993.60, 79,491.20 and 13,549.84 is: 20,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.60 : 79,491.20 = 13,549.84 : x
  2. Step 2: Convert to fraction form
    52,993.60/79,491.20 = 13,549.84/x
  3. Step 3: Cross multiply
    52,993.60x = 79,491.20 × 13,549.84
  4. Step 4: Simplify right side
    52,993.60x = 1,077,093,041.41
  5. Step 5: Solve for x
    x = 1,077,093,041.41/52,993.60
  6. Step 6: Final answer
    x = 20,324.96

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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.