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Finding the Fourth Proportional to 62,447.34, 93,671.90 and 20,327.64

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Solution

The fourth proportional to 62,447.34, 93,671.90 and 20,327.64 is: 30,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,447.34 : 93,671.90 = 20,327.64 : x
  2. Step 2: Convert to fraction form
    62,447.34/93,671.90 = 20,327.64/x
  3. Step 3: Cross multiply
    62,447.34x = 93,671.90 × 20,327.64
  4. Step 4: Simplify right side
    62,447.34x = 1,904,128,661.32
  5. Step 5: Solve for x
    x = 1,904,128,661.32/62,447.34
  6. Step 6: Final answer
    x = 30,491.75

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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.