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Finding the Fourth Proportional to 7,058.84, 9,740.76 and 3,914.96

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Solution

The fourth proportional to 7,058.84, 9,740.76 and 3,914.96 is: 5,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.84 : 9,740.76 = 3,914.96 : x
  2. Step 2: Convert to fraction form
    7,058.84/9,740.76 = 3,914.96/x
  3. Step 3: Cross multiply
    7,058.84x = 9,740.76 × 3,914.96
  4. Step 4: Simplify right side
    7,058.84x = 38,134,685.77
  5. Step 5: Solve for x
    x = 38,134,685.77/7,058.84
  6. Step 6: Final answer
    x = 5,402.40

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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.