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Finding the Fourth Proportional to 9,994.51, 14,991.77 and 7,805.08

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Solution

The fourth proportional to 9,994.51, 14,991.77 and 7,805.08 is: 11,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.51 : 14,991.77 = 7,805.08 : x
  2. Step 2: Convert to fraction form
    9,994.51/14,991.77 = 7,805.08/x
  3. Step 3: Cross multiply
    9,994.51x = 14,991.77 × 7,805.08
  4. Step 4: Simplify right side
    9,994.51x = 117,011,964.19
  5. Step 5: Solve for x
    x = 117,011,964.19/9,994.51
  6. Step 6: Final answer
    x = 11,707.62

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Similar ratio
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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.