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Finding the Fourth Proportional to 65,199.66, 89,971.11 and 36,903.66

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Solution

The fourth proportional to 65,199.66, 89,971.11 and 36,903.66 is: 50,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.66 : 89,971.11 = 36,903.66 : x
  2. Step 2: Convert to fraction form
    65,199.66/89,971.11 = 36,903.66/x
  3. Step 3: Cross multiply
    65,199.66x = 89,971.11 × 36,903.66
  4. Step 4: Simplify right side
    65,199.66x = 3,320,263,253.26
  5. Step 5: Solve for x
    x = 3,320,263,253.26/65,199.66
  6. Step 6: Final answer
    x = 50,924.55

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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.