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Finding the Fourth Proportional to 8,528.11, 12,804.11 and 4,371.10

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Solution

The fourth proportional to 8,528.11, 12,804.11 and 4,371.10 is: 6,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.11 : 12,804.11 = 4,371.10 : x
  2. Step 2: Convert to fraction form
    8,528.11/12,804.11 = 4,371.10/x
  3. Step 3: Cross multiply
    8,528.11x = 12,804.11 × 4,371.10
  4. Step 4: Simplify right side
    8,528.11x = 55,967,992.13
  5. Step 5: Solve for x
    x = 55,967,992.13/8,528.11
  6. Step 6: Final answer
    x = 6,562.77

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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.