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Finding the Fourth Proportional to 30,450.24, 45,668.88 and 9,668.88

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Solution

The fourth proportional to 30,450.24, 45,668.88 and 9,668.88 is: 14,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.24 : 45,668.88 = 9,668.88 : x
  2. Step 2: Convert to fraction form
    30,450.24/45,668.88 = 9,668.88/x
  3. Step 3: Cross multiply
    30,450.24x = 45,668.88 × 9,668.88
  4. Step 4: Simplify right side
    30,450.24x = 441,566,920.45
  5. Step 5: Solve for x
    x = 441,566,920.45/30,450.24
  6. Step 6: Final answer
    x = 14,501.26

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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.