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Finding the Fourth Proportional to 47,017.41, 64,866.99 and 30,893.39

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Solution

The fourth proportional to 47,017.41, 64,866.99 and 30,893.39 is: 42,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,017.41 : 64,866.99 = 30,893.39 : x
  2. Step 2: Convert to fraction form
    47,017.41/64,866.99 = 30,893.39/x
  3. Step 3: Cross multiply
    47,017.41x = 64,866.99 × 30,893.39
  4. Step 4: Simplify right side
    47,017.41x = 2,003,961,220.20
  5. Step 5: Solve for x
    x = 2,003,961,220.20/47,017.41
  6. Step 6: Final answer
    x = 42,621.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.