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Finding the Fourth Proportional to 13,316, 19,974 and 3,588

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Solution

The fourth proportional to 13,316, 19,974 and 3,588 is: 5,382

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316 : 19,974 = 3,588 : x
  2. Step 2: Convert to fraction form
    13,316/19,974 = 3,588/x
  3. Step 3: Cross multiply
    13,316x = 19,974 × 3,588
  4. Step 4: Simplify right side
    13,316x = 71,666,712
  5. Step 5: Solve for x
    x = 71,666,712/13,316
  6. Step 6: Final answer
    x = 5,382

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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.