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Finding the Fourth Proportional to 30,980.58, 46,470.89 and 29,402.91

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Solution

The fourth proportional to 30,980.58, 46,470.89 and 29,402.91 is: 44,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.58 : 46,470.89 = 29,402.91 : x
  2. Step 2: Convert to fraction form
    30,980.58/46,470.89 = 29,402.91/x
  3. Step 3: Cross multiply
    30,980.58x = 46,470.89 × 29,402.91
  4. Step 4: Simplify right side
    30,980.58x = 1,366,379,396.29
  5. Step 5: Solve for x
    x = 1,366,379,396.29/30,980.58
  6. Step 6: Final answer
    x = 44,104.38

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1.5x scale

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.