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Finding the Fourth Proportional to 9,503.16, 14,259.88 and 3,960.32

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Solution

The fourth proportional to 9,503.16, 14,259.88 and 3,960.32 is: 5,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.16 : 14,259.88 = 3,960.32 : x
  2. Step 2: Convert to fraction form
    9,503.16/14,259.88 = 3,960.32/x
  3. Step 3: Cross multiply
    9,503.16x = 14,259.88 × 3,960.32
  4. Step 4: Simplify right side
    9,503.16x = 56,473,687.96
  5. Step 5: Solve for x
    x = 56,473,687.96/9,503.16
  6. Step 6: Final answer
    x = 5,942.62

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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.