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Finding the Fourth Proportional to 9,471.32, 13,065.18 and 8,804.12

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Solution

The fourth proportional to 9,471.32, 13,065.18 and 8,804.12 is: 12,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,471.32 : 13,065.18 = 8,804.12 : x
  2. Step 2: Convert to fraction form
    9,471.32/13,065.18 = 8,804.12/x
  3. Step 3: Cross multiply
    9,471.32x = 13,065.18 × 8,804.12
  4. Step 4: Simplify right side
    9,471.32x = 115,027,412.54
  5. Step 5: Solve for x
    x = 115,027,412.54/9,471.32
  6. Step 6: Final answer
    x = 12,144.81

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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.