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Finding the Fourth Proportional to 8,809.89, 13,188.90 and 5,880.93

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Solution

The fourth proportional to 8,809.89, 13,188.90 and 5,880.93 is: 8,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.89 : 13,188.90 = 5,880.93 : x
  2. Step 2: Convert to fraction form
    8,809.89/13,188.90 = 5,880.93/x
  3. Step 3: Cross multiply
    8,809.89x = 13,188.90 × 5,880.93
  4. Step 4: Simplify right side
    8,809.89x = 77,562,997.68
  5. Step 5: Solve for x
    x = 77,562,997.68/8,809.89
  6. Step 6: Final answer
    x = 8,804.08

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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.