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Finding the Fourth Proportional to 30,549.48, 45,795.48 and 16,488.43

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Solution

The fourth proportional to 30,549.48, 45,795.48 and 16,488.43 is: 24,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,549.48 : 45,795.48 = 16,488.43 : x
  2. Step 2: Convert to fraction form
    30,549.48/45,795.48 = 16,488.43/x
  3. Step 3: Cross multiply
    30,549.48x = 45,795.48 × 16,488.43
  4. Step 4: Simplify right side
    30,549.48x = 755,095,566.30
  5. Step 5: Solve for x
    x = 755,095,566.30/30,549.48
  6. Step 6: Final answer
    x = 24,717.13

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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.