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Finding the Fourth Proportional to 30,392.34, 45,594.41 and 11,671.00

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Solution

The fourth proportional to 30,392.34, 45,594.41 and 11,671.00 is: 17,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.34 : 45,594.41 = 11,671.00 : x
  2. Step 2: Convert to fraction form
    30,392.34/45,594.41 = 11,671.00/x
  3. Step 3: Cross multiply
    30,392.34x = 45,594.41 × 11,671.00
  4. Step 4: Simplify right side
    30,392.34x = 532,132,296.18
  5. Step 5: Solve for x
    x = 532,132,296.18/30,392.34
  6. Step 6: Final answer
    x = 17,508.77

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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.