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Finding the Fourth Proportional to 62,441.40, 93,629.70 and 22,978.20

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Solution

The fourth proportional to 62,441.40, 93,629.70 and 22,978.20 is: 34,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,441.40 : 93,629.70 = 22,978.20 : x
  2. Step 2: Convert to fraction form
    62,441.40/93,629.70 = 22,978.20/x
  3. Step 3: Cross multiply
    62,441.40x = 93,629.70 × 22,978.20
  4. Step 4: Simplify right side
    62,441.40x = 2,151,441,972.54
  5. Step 5: Solve for x
    x = 2,151,441,972.54/62,441.40
  6. Step 6: Final answer
    x = 34,455.38

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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.