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Finding the Fourth Proportional to 66,913.44, 92,339.99 and 36,698.21

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Solution

The fourth proportional to 66,913.44, 92,339.99 and 36,698.21 is: 50,643.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.44 : 92,339.99 = 36,698.21 : x
  2. Step 2: Convert to fraction form
    66,913.44/92,339.99 = 36,698.21/x
  3. Step 3: Cross multiply
    66,913.44x = 92,339.99 × 36,698.21
  4. Step 4: Simplify right side
    66,913.44x = 3,388,712,667.01
  5. Step 5: Solve for x
    x = 3,388,712,667.01/66,913.44
  6. Step 6: Final answer
    x = 50,643.23

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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.