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Finding the Fourth Proportional to 60,647.80, 83,700.12 and 33,794.68

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Solution

The fourth proportional to 60,647.80, 83,700.12 and 33,794.68 is: 46,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,647.80 : 83,700.12 = 33,794.68 : x
  2. Step 2: Convert to fraction form
    60,647.80/83,700.12 = 33,794.68/x
  3. Step 3: Cross multiply
    60,647.80x = 83,700.12 × 33,794.68
  4. Step 4: Simplify right side
    60,647.80x = 2,828,618,771.36
  5. Step 5: Solve for x
    x = 2,828,618,771.36/60,647.80
  6. Step 6: Final answer
    x = 46,640.09

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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.