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Finding the Fourth Proportional to 61,608.16, 85,019.16 and 34,750.59

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Solution

The fourth proportional to 61,608.16, 85,019.16 and 34,750.59 is: 47,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.16 : 85,019.16 = 34,750.59 : x
  2. Step 2: Convert to fraction form
    61,608.16/85,019.16 = 34,750.59/x
  3. Step 3: Cross multiply
    61,608.16x = 85,019.16 × 34,750.59
  4. Step 4: Simplify right side
    61,608.16x = 2,954,465,546.21
  5. Step 5: Solve for x
    x = 2,954,465,546.21/61,608.16
  6. Step 6: Final answer
    x = 47,955.75

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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.