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Finding the Fourth Proportional to 34,483, 47,586.54 and 19,579

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Solution

The fourth proportional to 34,483, 47,586.54 and 19,579 is: 27,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,483 : 47,586.54 = 19,579 : x
  2. Step 2: Convert to fraction form
    34,483/47,586.54 = 19,579/x
  3. Step 3: Cross multiply
    34,483x = 47,586.54 × 19,579
  4. Step 4: Simplify right side
    34,483x = 931,696,866.66
  5. Step 5: Solve for x
    x = 931,696,866.66/34,483
  6. Step 6: Final answer
    x = 27,019.02

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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.