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Finding the Fourth Proportional to 46,473.69, 69,713.19 and 13,191.15

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Solution

The fourth proportional to 46,473.69, 69,713.19 and 13,191.15 is: 19,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,473.69 : 69,713.19 = 13,191.15 : x
  2. Step 2: Convert to fraction form
    46,473.69/69,713.19 = 13,191.15/x
  3. Step 3: Cross multiply
    46,473.69x = 69,713.19 × 13,191.15
  4. Step 4: Simplify right side
    46,473.69x = 919,597,146.27
  5. Step 5: Solve for x
    x = 919,597,146.27/46,473.69
  6. Step 6: Final answer
    x = 19,787.48

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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.