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Finding the Fourth Proportional to 66,309.93, 91,506.51 and 36,095.85

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Solution

The fourth proportional to 66,309.93, 91,506.51 and 36,095.85 is: 49,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.93 : 91,506.51 = 36,095.85 : x
  2. Step 2: Convert to fraction form
    66,309.93/91,506.51 = 36,095.85/x
  3. Step 3: Cross multiply
    66,309.93x = 91,506.51 × 36,095.85
  4. Step 4: Simplify right side
    66,309.93x = 3,303,005,258.98
  5. Step 5: Solve for x
    x = 3,303,005,258.98/66,309.93
  6. Step 6: Final answer
    x = 49,811.62

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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.