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Finding the Fourth Proportional to 11,368.67, 17,042.51 and 10,434.63

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Solution

The fourth proportional to 11,368.67, 17,042.51 and 10,434.63 is: 15,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.67 : 17,042.51 = 10,434.63 : x
  2. Step 2: Convert to fraction form
    11,368.67/17,042.51 = 10,434.63/x
  3. Step 3: Cross multiply
    11,368.67x = 17,042.51 × 10,434.63
  4. Step 4: Simplify right side
    11,368.67x = 177,832,376.12
  5. Step 5: Solve for x
    x = 177,832,376.12/11,368.67
  6. Step 6: Final answer
    x = 15,642.33

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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.