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Finding the Fourth Proportional to 9,051, 12,505.90 and 7,476.28

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Solution

The fourth proportional to 9,051, 12,505.90 and 7,476.28 is: 10,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051 : 12,505.90 = 7,476.28 : x
  2. Step 2: Convert to fraction form
    9,051/12,505.90 = 7,476.28/x
  3. Step 3: Cross multiply
    9,051x = 12,505.90 × 7,476.28
  4. Step 4: Simplify right side
    9,051x = 93,497,610.05
  5. Step 5: Solve for x
    x = 93,497,610.05/9,051
  6. Step 6: Final answer
    x = 10,330.09

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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.