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Finding the Fourth Proportional to 45,322.58, 67,986.18 and 16,853.22

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Solution

The fourth proportional to 45,322.58, 67,986.18 and 16,853.22 is: 25,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.58 : 67,986.18 = 16,853.22 : x
  2. Step 2: Convert to fraction form
    45,322.58/67,986.18 = 16,853.22/x
  3. Step 3: Cross multiply
    45,322.58x = 67,986.18 × 16,853.22
  4. Step 4: Simplify right side
    45,322.58x = 1,145,786,048.50
  5. Step 5: Solve for x
    x = 1,145,786,048.50/45,322.58
  6. Step 6: Final answer
    x = 25,280.69

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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.