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Finding the Fourth Proportional to 7,809.03, 11,705.32 and 4,847.46

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Solution

The fourth proportional to 7,809.03, 11,705.32 and 4,847.46 is: 7,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.03 : 11,705.32 = 4,847.46 : x
  2. Step 2: Convert to fraction form
    7,809.03/11,705.32 = 4,847.46/x
  3. Step 3: Cross multiply
    7,809.03x = 11,705.32 × 4,847.46
  4. Step 4: Simplify right side
    7,809.03x = 56,741,070.49
  5. Step 5: Solve for x
    x = 56,741,070.49/7,809.03
  6. Step 6: Final answer
    x = 7,266.08

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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.