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Finding the Fourth Proportional to 66,880.48, 92,296.08 and 36,668.56

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Solution

The fourth proportional to 66,880.48, 92,296.08 and 36,668.56 is: 50,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.48 : 92,296.08 = 36,668.56 : x
  2. Step 2: Convert to fraction form
    66,880.48/92,296.08 = 36,668.56/x
  3. Step 3: Cross multiply
    66,880.48x = 92,296.08 × 36,668.56
  4. Step 4: Simplify right side
    66,880.48x = 3,384,364,347.24
  5. Step 5: Solve for x
    x = 3,384,364,347.24/66,880.48
  6. Step 6: Final answer
    x = 50,603.17

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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.