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Finding the Fourth Proportional to 5,795.61, 7,991.93 and 4,959.08

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Solution

The fourth proportional to 5,795.61, 7,991.93 and 4,959.08 is: 6,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.61 : 7,991.93 = 4,959.08 : x
  2. Step 2: Convert to fraction form
    5,795.61/7,991.93 = 4,959.08/x
  3. Step 3: Cross multiply
    5,795.61x = 7,991.93 × 4,959.08
  4. Step 4: Simplify right side
    5,795.61x = 39,632,555.47
  5. Step 5: Solve for x
    x = 39,632,555.47/5,795.61
  6. Step 6: Final answer
    x = 6,838.38

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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.