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Finding the Fourth Proportional to 14,412, 21,618 and 3,468

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Solution

The fourth proportional to 14,412, 21,618 and 3,468 is: 5,202

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412 : 21,618 = 3,468 : x
  2. Step 2: Convert to fraction form
    14,412/21,618 = 3,468/x
  3. Step 3: Cross multiply
    14,412x = 21,618 × 3,468
  4. Step 4: Simplify right side
    14,412x = 74,971,224
  5. Step 5: Solve for x
    x = 74,971,224/14,412
  6. Step 6: Final answer
    x = 5,202

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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.