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Finding the Fourth Proportional to 65,579.83, 90,496.95 and 37,284.91

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Solution

The fourth proportional to 65,579.83, 90,496.95 and 37,284.91 is: 51,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,579.83 : 90,496.95 = 37,284.91 : x
  2. Step 2: Convert to fraction form
    65,579.83/90,496.95 = 37,284.91/x
  3. Step 3: Cross multiply
    65,579.83x = 90,496.95 × 37,284.91
  4. Step 4: Simplify right side
    65,579.83x = 3,374,170,636.02
  5. Step 5: Solve for x
    x = 3,374,170,636.02/65,579.83
  6. Step 6: Final answer
    x = 51,451.35

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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.