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Finding the Fourth Proportional to 62,119.96, 85,724.80 and 33,825.64

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Solution

The fourth proportional to 62,119.96, 85,724.80 and 33,825.64 is: 46,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,119.96 : 85,724.80 = 33,825.64 : x
  2. Step 2: Convert to fraction form
    62,119.96/85,724.80 = 33,825.64/x
  3. Step 3: Cross multiply
    62,119.96x = 85,724.80 × 33,825.64
  4. Step 4: Simplify right side
    62,119.96x = 2,899,696,223.87
  5. Step 5: Solve for x
    x = 2,899,696,223.87/62,119.96
  6. Step 6: Final answer
    x = 46,678.98

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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.