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Finding the Fourth Proportional to 5,532, 8,298 and 1,428

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Solution

The fourth proportional to 5,532, 8,298 and 1,428 is: 2,142

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532 : 8,298 = 1,428 : x
  2. Step 2: Convert to fraction form
    5,532/8,298 = 1,428/x
  3. Step 3: Cross multiply
    5,532x = 8,298 × 1,428
  4. Step 4: Simplify right side
    5,532x = 11,849,544
  5. Step 5: Solve for x
    x = 11,849,544/5,532
  6. Step 6: Final answer
    x = 2,142

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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.