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Finding the Fourth Proportional to 11,603.80, 17,401.65 and 6,055.30

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Solution

The fourth proportional to 11,603.80, 17,401.65 and 6,055.30 is: 9,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.80 : 17,401.65 = 6,055.30 : x
  2. Step 2: Convert to fraction form
    11,603.80/17,401.65 = 6,055.30/x
  3. Step 3: Cross multiply
    11,603.80x = 17,401.65 × 6,055.30
  4. Step 4: Simplify right side
    11,603.80x = 105,372,211.25
  5. Step 5: Solve for x
    x = 105,372,211.25/11,603.80
  6. Step 6: Final answer
    x = 9,080.84

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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.