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Finding the Fourth Proportional to 46,166.88, 69,238.01 and 12,881.10

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Solution

The fourth proportional to 46,166.88, 69,238.01 and 12,881.10 is: 19,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,166.88 : 69,238.01 = 12,881.10 : x
  2. Step 2: Convert to fraction form
    46,166.88/69,238.01 = 12,881.10/x
  3. Step 3: Cross multiply
    46,166.88x = 69,238.01 × 12,881.10
  4. Step 4: Simplify right side
    46,166.88x = 891,861,493.11
  5. Step 5: Solve for x
    x = 891,861,493.11/46,166.88
  6. Step 6: Final answer
    x = 19,318.21

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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.