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Finding the Fourth Proportional to 61,477.80, 84,840.30 and 37,599.36

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Solution

The fourth proportional to 61,477.80, 84,840.30 and 37,599.36 is: 51,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.80 : 84,840.30 = 37,599.36 : x
  2. Step 2: Convert to fraction form
    61,477.80/84,840.30 = 37,599.36/x
  3. Step 3: Cross multiply
    61,477.80x = 84,840.30 × 37,599.36
  4. Step 4: Simplify right side
    61,477.80x = 3,189,940,982.21
  5. Step 5: Solve for x
    x = 3,189,940,982.21/61,477.80
  6. Step 6: Final answer
    x = 51,887.69

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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.