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Finding the Fourth Proportional to 9,809.64, 13,536.72 and 6,273.72

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Solution

The fourth proportional to 9,809.64, 13,536.72 and 6,273.72 is: 8,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.64 : 13,536.72 = 6,273.72 : x
  2. Step 2: Convert to fraction form
    9,809.64/13,536.72 = 6,273.72/x
  3. Step 3: Cross multiply
    9,809.64x = 13,536.72 × 6,273.72
  4. Step 4: Simplify right side
    9,809.64x = 84,925,591.00
  5. Step 5: Solve for x
    x = 84,925,591.00/9,809.64
  6. Step 6: Final answer
    x = 8,657.36

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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.