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Finding the Fourth Proportional to 7,383.68, 11,065.08 and 6,283.68

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Solution

The fourth proportional to 7,383.68, 11,065.08 and 6,283.68 is: 9,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.68 : 11,065.08 = 6,283.68 : x
  2. Step 2: Convert to fraction form
    7,383.68/11,065.08 = 6,283.68/x
  3. Step 3: Cross multiply
    7,383.68x = 11,065.08 × 6,283.68
  4. Step 4: Simplify right side
    7,383.68x = 69,529,421.89
  5. Step 5: Solve for x
    x = 69,529,421.89/7,383.68
  6. Step 6: Final answer
    x = 9,416.64

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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.