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Finding the Fourth Proportional to 64,090.36, 88,449.47 and 36,874.77

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Solution

The fourth proportional to 64,090.36, 88,449.47 and 36,874.77 is: 50,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,090.36 : 88,449.47 = 36,874.77 : x
  2. Step 2: Convert to fraction form
    64,090.36/88,449.47 = 36,874.77/x
  3. Step 3: Cross multiply
    64,090.36x = 88,449.47 × 36,874.77
  4. Step 4: Simplify right side
    64,090.36x = 3,261,553,862.87
  5. Step 5: Solve for x
    x = 3,261,553,862.87/64,090.36
  6. Step 6: Final answer
    x = 50,889.93

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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.