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Finding the Fourth Proportional to 7,871.08, 11,792.99 and 5,526.63

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Solution

The fourth proportional to 7,871.08, 11,792.99 and 5,526.63 is: 8,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.08 : 11,792.99 = 5,526.63 : x
  2. Step 2: Convert to fraction form
    7,871.08/11,792.99 = 5,526.63/x
  3. Step 3: Cross multiply
    7,871.08x = 11,792.99 × 5,526.63
  4. Step 4: Simplify right side
    7,871.08x = 65,175,455.93
  5. Step 5: Solve for x
    x = 65,175,455.93/7,871.08
  6. Step 6: Final answer
    x = 8,280.37

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1.5x scale

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.