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Finding the Fourth Proportional to 7,602.63, 10,489.92 and 4,619.37

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Solution

The fourth proportional to 7,602.63, 10,489.92 and 4,619.37 is: 6,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.63 : 10,489.92 = 4,619.37 : x
  2. Step 2: Convert to fraction form
    7,602.63/10,489.92 = 4,619.37/x
  3. Step 3: Cross multiply
    7,602.63x = 10,489.92 × 4,619.37
  4. Step 4: Simplify right side
    7,602.63x = 48,456,821.75
  5. Step 5: Solve for x
    x = 48,456,821.75/7,602.63
  6. Step 6: Final answer
    x = 6,373.69

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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.