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Finding the Fourth Proportional to 30,670.56, 46,008.45 and 8,483.94

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Solution

The fourth proportional to 30,670.56, 46,008.45 and 8,483.94 is: 12,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.56 : 46,008.45 = 8,483.94 : x
  2. Step 2: Convert to fraction form
    30,670.56/46,008.45 = 8,483.94/x
  3. Step 3: Cross multiply
    30,670.56x = 46,008.45 × 8,483.94
  4. Step 4: Simplify right side
    30,670.56x = 390,332,929.29
  5. Step 5: Solve for x
    x = 390,332,929.29/30,670.56
  6. Step 6: Final answer
    x = 12,726.63

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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.