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Finding the Fourth Proportional to 62,117.46, 85,719.42 and 35,259.48

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Solution

The fourth proportional to 62,117.46, 85,719.42 and 35,259.48 is: 48,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.46 : 85,719.42 = 35,259.48 : x
  2. Step 2: Convert to fraction form
    62,117.46/85,719.42 = 35,259.48/x
  3. Step 3: Cross multiply
    62,117.46x = 85,719.42 × 35,259.48
  4. Step 4: Simplify right side
    62,117.46x = 3,022,422,175.10
  5. Step 5: Solve for x
    x = 3,022,422,175.10/62,117.46
  6. Step 6: Final answer
    x = 48,656.56

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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.