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Finding the Fourth Proportional to 7,053.90, 9,734.51 and 3,866.99

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Solution

The fourth proportional to 7,053.90, 9,734.51 and 3,866.99 is: 5,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.90 : 9,734.51 = 3,866.99 : x
  2. Step 2: Convert to fraction form
    7,053.90/9,734.51 = 3,866.99/x
  3. Step 3: Cross multiply
    7,053.90x = 9,734.51 × 3,866.99
  4. Step 4: Simplify right side
    7,053.90x = 37,643,213.82
  5. Step 5: Solve for x
    x = 37,643,213.82/7,053.90
  6. Step 6: Final answer
    x = 5,336.51

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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.