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Finding the Fourth Proportional to 42,671.52, 63,950.64 and 22,676.80

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Solution

The fourth proportional to 42,671.52, 63,950.64 and 22,676.80 is: 33,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,671.52 : 63,950.64 = 22,676.80 : x
  2. Step 2: Convert to fraction form
    42,671.52/63,950.64 = 22,676.80/x
  3. Step 3: Cross multiply
    42,671.52x = 63,950.64 × 22,676.80
  4. Step 4: Simplify right side
    42,671.52x = 1,450,195,873.15
  5. Step 5: Solve for x
    x = 1,450,195,873.15/42,671.52
  6. Step 6: Final answer
    x = 33,985.10

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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.