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Finding the Fourth Proportional to 7,556, 10,428 and 4,244

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Solution

The fourth proportional to 7,556, 10,428 and 4,244 is: 5,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556 : 10,428 = 4,244 : x
  2. Step 2: Convert to fraction form
    7,556/10,428 = 4,244/x
  3. Step 3: Cross multiply
    7,556x = 10,428 × 4,244
  4. Step 4: Simplify right side
    7,556x = 44,256,432
  5. Step 5: Solve for x
    x = 44,256,432/7,556
  6. Step 6: Final answer
    x = 5,857.12

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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.