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Finding the Fourth Proportional to 62,172.75, 93,258.22 and 15,425.63

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Solution

The fourth proportional to 62,172.75, 93,258.22 and 15,425.63 is: 23,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,172.75 : 93,258.22 = 15,425.63 : x
  2. Step 2: Convert to fraction form
    62,172.75/93,258.22 = 15,425.63/x
  3. Step 3: Cross multiply
    62,172.75x = 93,258.22 × 15,425.63
  4. Step 4: Simplify right side
    62,172.75x = 1,438,566,796.18
  5. Step 5: Solve for x
    x = 1,438,566,796.18/62,172.75
  6. Step 6: Final answer
    x = 23,138.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.