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Finding the Fourth Proportional to 8,030.64, 11,076.72 and 7,369.68

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Solution

The fourth proportional to 8,030.64, 11,076.72 and 7,369.68 is: 10,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,030.64 : 11,076.72 = 7,369.68 : x
  2. Step 2: Convert to fraction form
    8,030.64/11,076.72 = 7,369.68/x
  3. Step 3: Cross multiply
    8,030.64x = 11,076.72 × 7,369.68
  4. Step 4: Simplify right side
    8,030.64x = 81,631,881.85
  5. Step 5: Solve for x
    x = 81,631,881.85/8,030.64
  6. Step 6: Final answer
    x = 10,165.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.