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Finding the Fourth Proportional to 62,205.40, 85,843.02 and 35,345.80

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Solution

The fourth proportional to 62,205.40, 85,843.02 and 35,345.80 is: 48,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.40 : 85,843.02 = 35,345.80 : x
  2. Step 2: Convert to fraction form
    62,205.40/85,843.02 = 35,345.80/x
  3. Step 3: Cross multiply
    62,205.40x = 85,843.02 × 35,345.80
  4. Step 4: Simplify right side
    62,205.40x = 3,034,190,216.32
  5. Step 5: Solve for x
    x = 3,034,190,216.32/62,205.40
  6. Step 6: Final answer
    x = 48,776.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.