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Finding the Fourth Proportional to 5,364.63, 7,402.39 and 3,006.32

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Solution

The fourth proportional to 5,364.63, 7,402.39 and 3,006.32 is: 4,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.63 : 7,402.39 = 3,006.32 : x
  2. Step 2: Convert to fraction form
    5,364.63/7,402.39 = 3,006.32/x
  3. Step 3: Cross multiply
    5,364.63x = 7,402.39 × 3,006.32
  4. Step 4: Simplify right side
    5,364.63x = 22,253,908.58
  5. Step 5: Solve for x
    x = 22,253,908.58/5,364.63
  6. Step 6: Final answer
    x = 4,148.27

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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.