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Finding the Fourth Proportional to 7,109.34, 9,808.47 and 4,314.30

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Solution

The fourth proportional to 7,109.34, 9,808.47 and 4,314.30 is: 5,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.34 : 9,808.47 = 4,314.30 : x
  2. Step 2: Convert to fraction form
    7,109.34/9,808.47 = 4,314.30/x
  3. Step 3: Cross multiply
    7,109.34x = 9,808.47 × 4,314.30
  4. Step 4: Simplify right side
    7,109.34x = 42,316,682.12
  5. Step 5: Solve for x
    x = 42,316,682.12/7,109.34
  6. Step 6: Final answer
    x = 5,952.27

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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.