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Finding the Fourth Proportional to 65,256.60, 90,054.03 and 36,967.74

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Solution

The fourth proportional to 65,256.60, 90,054.03 and 36,967.74 is: 51,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,256.60 : 90,054.03 = 36,967.74 : x
  2. Step 2: Convert to fraction form
    65,256.60/90,054.03 = 36,967.74/x
  3. Step 3: Cross multiply
    65,256.60x = 90,054.03 × 36,967.74
  4. Step 4: Simplify right side
    65,256.60x = 3,329,093,966.99
  5. Step 5: Solve for x
    x = 3,329,093,966.99/65,256.60
  6. Step 6: Final answer
    x = 51,015.44

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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.