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Finding the Fourth Proportional to 7,026.69, 9,696.98 and 4,042.72

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Solution

The fourth proportional to 7,026.69, 9,696.98 and 4,042.72 is: 5,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.69 : 9,696.98 = 4,042.72 : x
  2. Step 2: Convert to fraction form
    7,026.69/9,696.98 = 4,042.72/x
  3. Step 3: Cross multiply
    7,026.69x = 9,696.98 × 4,042.72
  4. Step 4: Simplify right side
    7,026.69x = 39,202,193.79
  5. Step 5: Solve for x
    x = 39,202,193.79/7,026.69
  6. Step 6: Final answer
    x = 5,579.04

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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.