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Finding the Fourth Proportional to 7,662.66, 11,485.81 and 4,368.66

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Solution

The fourth proportional to 7,662.66, 11,485.81 and 4,368.66 is: 6,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.66 : 11,485.81 = 4,368.66 : x
  2. Step 2: Convert to fraction form
    7,662.66/11,485.81 = 4,368.66/x
  3. Step 3: Cross multiply
    7,662.66x = 11,485.81 × 4,368.66
  4. Step 4: Simplify right side
    7,662.66x = 50,177,598.71
  5. Step 5: Solve for x
    x = 50,177,598.71/7,662.66
  6. Step 6: Final answer
    x = 6,548.33

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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.