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Finding the Fourth Proportional to 61,352.02, 84,631.21 and 36,816.48

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Solution

The fourth proportional to 61,352.02, 84,631.21 and 36,816.48 is: 50,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,352.02 : 84,631.21 = 36,816.48 : x
  2. Step 2: Convert to fraction form
    61,352.02/84,631.21 = 36,816.48/x
  3. Step 3: Cross multiply
    61,352.02x = 84,631.21 × 36,816.48
  4. Step 4: Simplify right side
    61,352.02x = 3,115,823,250.34
  5. Step 5: Solve for x
    x = 3,115,823,250.34/61,352.02
  6. Step 6: Final answer
    x = 50,785.99

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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.