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Finding the Fourth Proportional to 66,364.92, 91,583.55 and 36,556.92

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Solution

The fourth proportional to 66,364.92, 91,583.55 and 36,556.92 is: 50,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,364.92 : 91,583.55 = 36,556.92 : x
  2. Step 2: Convert to fraction form
    66,364.92/91,583.55 = 36,556.92/x
  3. Step 3: Cross multiply
    66,364.92x = 91,583.55 × 36,556.92
  4. Step 4: Simplify right side
    66,364.92x = 3,348,012,510.67
  5. Step 5: Solve for x
    x = 3,348,012,510.67/66,364.92
  6. Step 6: Final answer
    x = 50,448.53

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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.