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Finding the Fourth Proportional to 9,405.48, 14,102.32 and 6,480.48

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Solution

The fourth proportional to 9,405.48, 14,102.32 and 6,480.48 is: 9,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.48 : 14,102.32 = 6,480.48 : x
  2. Step 2: Convert to fraction form
    9,405.48/14,102.32 = 6,480.48/x
  3. Step 3: Cross multiply
    9,405.48x = 14,102.32 × 6,480.48
  4. Step 4: Simplify right side
    9,405.48x = 91,389,802.71
  5. Step 5: Solve for x
    x = 91,389,802.71/9,405.48
  6. Step 6: Final answer
    x = 9,716.65

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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.