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Finding the Fourth Proportional to 80,883, 111,605.41 and 46,884.85

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Solution

The fourth proportional to 80,883, 111,605.41 and 46,884.85 is: 64,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,883 : 111,605.41 = 46,884.85 : x
  2. Step 2: Convert to fraction form
    80,883/111,605.41 = 46,884.85/x
  3. Step 3: Cross multiply
    80,883x = 111,605.41 × 46,884.85
  4. Step 4: Simplify right side
    80,883x = 5,232,602,907.04
  5. Step 5: Solve for x
    x = 5,232,602,907.04/80,883
  6. Step 6: Final answer
    x = 64,693.48

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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.