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Finding the Fourth Proportional to 9,861.04, 13,608.24 and 5,669.04

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Solution

The fourth proportional to 9,861.04, 13,608.24 and 5,669.04 is: 7,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.04 : 13,608.24 = 5,669.04 : x
  2. Step 2: Convert to fraction form
    9,861.04/13,608.24 = 5,669.04/x
  3. Step 3: Cross multiply
    9,861.04x = 13,608.24 × 5,669.04
  4. Step 4: Simplify right side
    9,861.04x = 77,145,656.89
  5. Step 5: Solve for x
    x = 77,145,656.89/9,861.04
  6. Step 6: Final answer
    x = 7,823.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.