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Finding the Fourth Proportional to 30,652.48, 42,300.36 and 17,914.48

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Solution

The fourth proportional to 30,652.48, 42,300.36 and 17,914.48 is: 24,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.48 : 42,300.36 = 17,914.48 : x
  2. Step 2: Convert to fraction form
    30,652.48/42,300.36 = 17,914.48/x
  3. Step 3: Cross multiply
    30,652.48x = 42,300.36 × 17,914.48
  4. Step 4: Simplify right side
    30,652.48x = 757,788,953.21
  5. Step 5: Solve for x
    x = 757,788,953.21/30,652.48
  6. Step 6: Final answer
    x = 24,721.95

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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.