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Finding the Fourth Proportional to 52,840.80, 79,264.80 and 16,814.40

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Solution

The fourth proportional to 52,840.80, 79,264.80 and 16,814.40 is: 25,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.80 : 79,264.80 = 16,814.40 : x
  2. Step 2: Convert to fraction form
    52,840.80/79,264.80 = 16,814.40/x
  3. Step 3: Cross multiply
    52,840.80x = 79,264.80 × 16,814.40
  4. Step 4: Simplify right side
    52,840.80x = 1,332,790,053.12
  5. Step 5: Solve for x
    x = 1,332,790,053.12/52,840.80
  6. Step 6: Final answer
    x = 25,222.75

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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.