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Finding the Fourth Proportional to 62,114.56, 85,718.20 and 33,820.36

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Solution

The fourth proportional to 62,114.56, 85,718.20 and 33,820.36 is: 46,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,114.56 : 85,718.20 = 33,820.36 : x
  2. Step 2: Convert to fraction form
    62,114.56/85,718.20 = 33,820.36/x
  3. Step 3: Cross multiply
    62,114.56x = 85,718.20 × 33,820.36
  4. Step 4: Simplify right side
    62,114.56x = 2,899,020,382.55
  5. Step 5: Solve for x
    x = 2,899,020,382.55/62,114.56
  6. Step 6: Final answer
    x = 46,672.16

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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.