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Finding the Fourth Proportional to 7,602.39, 11,405.12 and 2,675.50

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Solution

The fourth proportional to 7,602.39, 11,405.12 and 2,675.50 is: 4,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.39 : 11,405.12 = 2,675.50 : x
  2. Step 2: Convert to fraction form
    7,602.39/11,405.12 = 2,675.50/x
  3. Step 3: Cross multiply
    7,602.39x = 11,405.12 × 2,675.50
  4. Step 4: Simplify right side
    7,602.39x = 30,514,356.67
  5. Step 5: Solve for x
    x = 30,514,356.67/7,602.39
  6. Step 6: Final answer
    x = 4,013.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.