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Finding the Fourth Proportional to 7,416.48, 11,130.16 and 3,717.68

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Solution

The fourth proportional to 7,416.48, 11,130.16 and 3,717.68 is: 5,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.48 : 11,130.16 = 3,717.68 : x
  2. Step 2: Convert to fraction form
    7,416.48/11,130.16 = 3,717.68/x
  3. Step 3: Cross multiply
    7,416.48x = 11,130.16 × 3,717.68
  4. Step 4: Simplify right side
    7,416.48x = 41,378,373.23
  5. Step 5: Solve for x
    x = 41,378,373.23/7,416.48
  6. Step 6: Final answer
    x = 5,579.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.