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Finding the Fourth Proportional to 9,313.08, 13,953.18 and 9,083.46

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Solution

The fourth proportional to 9,313.08, 13,953.18 and 9,083.46 is: 13,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.08 : 13,953.18 = 9,083.46 : x
  2. Step 2: Convert to fraction form
    9,313.08/13,953.18 = 9,083.46/x
  3. Step 3: Cross multiply
    9,313.08x = 13,953.18 × 9,083.46
  4. Step 4: Simplify right side
    9,313.08x = 126,743,152.40
  5. Step 5: Solve for x
    x = 126,743,152.40/9,313.08
  6. Step 6: Final answer
    x = 13,609.16

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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.