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Finding the Fourth Proportional to 9,809.48, 14,713.74 and 3,653

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Solution

The fourth proportional to 9,809.48, 14,713.74 and 3,653 is: 5,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.48 : 14,713.74 = 3,653 : x
  2. Step 2: Convert to fraction form
    9,809.48/14,713.74 = 3,653/x
  3. Step 3: Cross multiply
    9,809.48x = 14,713.74 × 3,653
  4. Step 4: Simplify right side
    9,809.48x = 53,749,292.22
  5. Step 5: Solve for x
    x = 53,749,292.22/9,809.48
  6. Step 6: Final answer
    x = 5,479.32

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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.