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Finding the Fourth Proportional to 60,651.80, 83,705.64 and 33,798.68

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Solution

The fourth proportional to 60,651.80, 83,705.64 and 33,798.68 is: 46,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,651.80 : 83,705.64 = 33,798.68 : x
  2. Step 2: Convert to fraction form
    60,651.80/83,705.64 = 33,798.68/x
  3. Step 3: Cross multiply
    60,651.80x = 83,705.64 × 33,798.68
  4. Step 4: Simplify right side
    60,651.80x = 2,829,140,140.56
  5. Step 5: Solve for x
    x = 2,829,140,140.56/60,651.80
  6. Step 6: Final answer
    x = 46,645.61

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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.