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Finding the Fourth Proportional to 11,800.62, 17,700.93 and 3,036.24

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Solution

The fourth proportional to 11,800.62, 17,700.93 and 3,036.24 is: 4,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.62 : 17,700.93 = 3,036.24 : x
  2. Step 2: Convert to fraction form
    11,800.62/17,700.93 = 3,036.24/x
  3. Step 3: Cross multiply
    11,800.62x = 17,700.93 × 3,036.24
  4. Step 4: Simplify right side
    11,800.62x = 53,744,271.70
  5. Step 5: Solve for x
    x = 53,744,271.70/11,800.62
  6. Step 6: Final answer
    x = 4,554.36

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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.