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Finding the Fourth Proportional to 62,157.51, 85,777.52 and 33,863.40

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Solution

The fourth proportional to 62,157.51, 85,777.52 and 33,863.40 is: 46,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,157.51 : 85,777.52 = 33,863.40 : x
  2. Step 2: Convert to fraction form
    62,157.51/85,777.52 = 33,863.40/x
  3. Step 3: Cross multiply
    62,157.51x = 85,777.52 × 33,863.40
  4. Step 4: Simplify right side
    62,157.51x = 2,904,718,301.45
  5. Step 5: Solve for x
    x = 2,904,718,301.45/62,157.51
  6. Step 6: Final answer
    x = 46,731.57

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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.