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Finding the Fourth Proportional to 7,941.51, 10,959.63 and 4,404.51

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Solution

The fourth proportional to 7,941.51, 10,959.63 and 4,404.51 is: 6,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.51 : 10,959.63 = 4,404.51 : x
  2. Step 2: Convert to fraction form
    7,941.51/10,959.63 = 4,404.51/x
  3. Step 3: Cross multiply
    7,941.51x = 10,959.63 × 4,404.51
  4. Step 4: Simplify right side
    7,941.51x = 48,271,799.93
  5. Step 5: Solve for x
    x = 48,271,799.93/7,941.51
  6. Step 6: Final answer
    x = 6,078.42

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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.