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Finding the Fourth Proportional to 5,880.96, 8,820.48 and 1,776

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Solution

The fourth proportional to 5,880.96, 8,820.48 and 1,776 is: 2,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.96 : 8,820.48 = 1,776 : x
  2. Step 2: Convert to fraction form
    5,880.96/8,820.48 = 1,776/x
  3. Step 3: Cross multiply
    5,880.96x = 8,820.48 × 1,776
  4. Step 4: Simplify right side
    5,880.96x = 15,665,172.48
  5. Step 5: Solve for x
    x = 15,665,172.48/5,880.96
  6. Step 6: Final answer
    x = 2,663.71

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Why These Related Problems?

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