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Finding the Fourth Proportional to 19,610, 29,415 and 5,018

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Solution

The fourth proportional to 19,610, 29,415 and 5,018 is: 7,527

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610 : 29,415 = 5,018 : x
  2. Step 2: Convert to fraction form
    19,610/29,415 = 5,018/x
  3. Step 3: Cross multiply
    19,610x = 29,415 × 5,018
  4. Step 4: Simplify right side
    19,610x = 147,604,470
  5. Step 5: Solve for x
    x = 147,604,470/19,610
  6. Step 6: Final answer
    x = 7,527

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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.