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Finding the Fourth Proportional to 52,016.80, 77,830.80 and 34,520.80

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Solution

The fourth proportional to 52,016.80, 77,830.80 and 34,520.80 is: 51,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.80 : 77,830.80 = 34,520.80 : x
  2. Step 2: Convert to fraction form
    52,016.80/77,830.80 = 34,520.80/x
  3. Step 3: Cross multiply
    52,016.80x = 77,830.80 × 34,520.80
  4. Step 4: Simplify right side
    52,016.80x = 2,686,781,480.64
  5. Step 5: Solve for x
    x = 2,686,781,480.64/52,016.80
  6. Step 6: Final answer
    x = 51,652.19

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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.