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Finding the Fourth Proportional to 66,533.69, 91,813.26 and 37,850.65

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Solution

The fourth proportional to 66,533.69, 91,813.26 and 37,850.65 is: 52,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,533.69 : 91,813.26 = 37,850.65 : x
  2. Step 2: Convert to fraction form
    66,533.69/91,813.26 = 37,850.65/x
  3. Step 3: Cross multiply
    66,533.69x = 91,813.26 × 37,850.65
  4. Step 4: Simplify right side
    66,533.69x = 3,475,191,482.03
  5. Step 5: Solve for x
    x = 3,475,191,482.03/66,533.69
  6. Step 6: Final answer
    x = 52,232.05

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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.