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Finding the Fourth Proportional to 15,670.99, 23,447.15 and 9,668.49

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Solution

The fourth proportional to 15,670.99, 23,447.15 and 9,668.49 is: 14,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.99 : 23,447.15 = 9,668.49 : x
  2. Step 2: Convert to fraction form
    15,670.99/23,447.15 = 9,668.49/x
  3. Step 3: Cross multiply
    15,670.99x = 23,447.15 × 9,668.49
  4. Step 4: Simplify right side
    15,670.99x = 226,698,418.07
  5. Step 5: Solve for x
    x = 226,698,418.07/15,670.99
  6. Step 6: Final answer
    x = 14,466.12

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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.