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Finding the Fourth Proportional to 62,447.40, 93,679.20 and 30,873.60

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Solution

The fourth proportional to 62,447.40, 93,679.20 and 30,873.60 is: 46,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,447.40 : 93,679.20 = 30,873.60 : x
  2. Step 2: Convert to fraction form
    62,447.40/93,679.20 = 30,873.60/x
  3. Step 3: Cross multiply
    62,447.40x = 93,679.20 × 30,873.60
  4. Step 4: Simplify right side
    62,447.40x = 2,892,214,149.12
  5. Step 5: Solve for x
    x = 2,892,214,149.12/62,447.40
  6. Step 6: Final answer
    x = 46,314.40

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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.