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Finding the Fourth Proportional to 3,364.50, 5,047.02 and 1,056

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Solution

The fourth proportional to 3,364.50, 5,047.02 and 1,056 is: 1,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.50 : 5,047.02 = 1,056 : x
  2. Step 2: Convert to fraction form
    3,364.50/5,047.02 = 1,056/x
  3. Step 3: Cross multiply
    3,364.50x = 5,047.02 × 1,056
  4. Step 4: Simplify right side
    3,364.50x = 5,329,653.12
  5. Step 5: Solve for x
    x = 5,329,653.12/3,364.50
  6. Step 6: Final answer
    x = 1,584.08

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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.