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Finding the Fourth Proportional to 62,188.75, 85,820.48 and 33,894.51

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Solution

The fourth proportional to 62,188.75, 85,820.48 and 33,894.51 is: 46,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.75 : 85,820.48 = 33,894.51 : x
  2. Step 2: Convert to fraction form
    62,188.75/85,820.48 = 33,894.51/x
  3. Step 3: Cross multiply
    62,188.75x = 85,820.48 × 33,894.51
  4. Step 4: Simplify right side
    62,188.75x = 2,908,843,117.56
  5. Step 5: Solve for x
    x = 2,908,843,117.56/62,188.75
  6. Step 6: Final answer
    x = 46,774.43

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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.