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Finding the Fourth Proportional to 3,510.24, 5,265.48 and 877.74

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Solution

The fourth proportional to 3,510.24, 5,265.48 and 877.74 is: 1,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.24 : 5,265.48 = 877.74 : x
  2. Step 2: Convert to fraction form
    3,510.24/5,265.48 = 877.74/x
  3. Step 3: Cross multiply
    3,510.24x = 5,265.48 × 877.74
  4. Step 4: Simplify right side
    3,510.24x = 4,621,722.42
  5. Step 5: Solve for x
    x = 4,621,722.42/3,510.24
  6. Step 6: Final answer
    x = 1,316.64

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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.