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Finding the Fourth Proportional to 60,640.35, 83,684.34 and 33,784.39

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Solution

The fourth proportional to 60,640.35, 83,684.34 and 33,784.39 is: 46,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.35 : 83,684.34 = 33,784.39 : x
  2. Step 2: Convert to fraction form
    60,640.35/83,684.34 = 33,784.39/x
  3. Step 3: Cross multiply
    60,640.35x = 83,684.34 × 33,784.39
  4. Step 4: Simplify right side
    60,640.35x = 2,827,224,484.06
  5. Step 5: Solve for x
    x = 2,827,224,484.06/60,640.35
  6. Step 6: Final answer
    x = 46,622.83

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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.