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Finding the Fourth Proportional to 9,858.03, 13,604.10 and 5,608.98

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Solution

The fourth proportional to 9,858.03, 13,604.10 and 5,608.98 is: 7,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.03 : 13,604.10 = 5,608.98 : x
  2. Step 2: Convert to fraction form
    9,858.03/13,604.10 = 5,608.98/x
  3. Step 3: Cross multiply
    9,858.03x = 13,604.10 × 5,608.98
  4. Step 4: Simplify right side
    9,858.03x = 76,305,124.82
  5. Step 5: Solve for x
    x = 76,305,124.82/9,858.03
  6. Step 6: Final answer
    x = 7,740.40

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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.