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Finding the Fourth Proportional to 62,224.40, 93,336.60 and 20,671.40

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Solution

The fourth proportional to 62,224.40, 93,336.60 and 20,671.40 is: 31,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,224.40 : 93,336.60 = 20,671.40 : x
  2. Step 2: Convert to fraction form
    62,224.40/93,336.60 = 20,671.40/x
  3. Step 3: Cross multiply
    62,224.40x = 93,336.60 × 20,671.40
  4. Step 4: Simplify right side
    62,224.40x = 1,929,398,193.24
  5. Step 5: Solve for x
    x = 1,929,398,193.24/62,224.40
  6. Step 6: Final answer
    x = 31,007.10

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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.