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Finding the Fourth Proportional to 7,036.60, 9,754.90 and 6,662.06

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Solution

The fourth proportional to 7,036.60, 9,754.90 and 6,662.06 is: 9,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,036.60 : 9,754.90 = 6,662.06 : x
  2. Step 2: Convert to fraction form
    7,036.60/9,754.90 = 6,662.06/x
  3. Step 3: Cross multiply
    7,036.60x = 9,754.90 × 6,662.06
  4. Step 4: Simplify right side
    7,036.60x = 64,987,729.09
  5. Step 5: Solve for x
    x = 64,987,729.09/7,036.60
  6. Step 6: Final answer
    x = 9,235.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.