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Finding the Fourth Proportional to 9,079.70, 12,536.98 and 7,319.16

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Solution

The fourth proportional to 9,079.70, 12,536.98 and 7,319.16 is: 10,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.70 : 12,536.98 = 7,319.16 : x
  2. Step 2: Convert to fraction form
    9,079.70/12,536.98 = 7,319.16/x
  3. Step 3: Cross multiply
    9,079.70x = 12,536.98 × 7,319.16
  4. Step 4: Simplify right side
    9,079.70x = 91,760,144.24
  5. Step 5: Solve for x
    x = 91,760,144.24/9,079.70
  6. Step 6: Final answer
    x = 10,106.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.