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Finding the Fourth Proportional to 46,168.98, 69,193.31 and 20,849.66

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Solution

The fourth proportional to 46,168.98, 69,193.31 and 20,849.66 is: 31,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,168.98 : 69,193.31 = 20,849.66 : x
  2. Step 2: Convert to fraction form
    46,168.98/69,193.31 = 20,849.66/x
  3. Step 3: Cross multiply
    46,168.98x = 69,193.31 × 20,849.66
  4. Step 4: Simplify right side
    46,168.98x = 1,442,657,056.51
  5. Step 5: Solve for x
    x = 1,442,657,056.51/46,168.98
  6. Step 6: Final answer
    x = 31,247.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.