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Finding the Fourth Proportional to 8,500.66, 12,740.17 and 4,804.95

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Solution

The fourth proportional to 8,500.66, 12,740.17 and 4,804.95 is: 7,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.66 : 12,740.17 = 4,804.95 : x
  2. Step 2: Convert to fraction form
    8,500.66/12,740.17 = 4,804.95/x
  3. Step 3: Cross multiply
    8,500.66x = 12,740.17 × 4,804.95
  4. Step 4: Simplify right side
    8,500.66x = 61,215,879.84
  5. Step 5: Solve for x
    x = 61,215,879.84/8,500.66
  6. Step 6: Final answer
    x = 7,201.31

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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.