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Finding the Fourth Proportional to 26,445.76, 39,668.34 and 8,927.89

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Solution

The fourth proportional to 26,445.76, 39,668.34 and 8,927.89 is: 13,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.76 : 39,668.34 = 8,927.89 : x
  2. Step 2: Convert to fraction form
    26,445.76/39,668.34 = 8,927.89/x
  3. Step 3: Cross multiply
    26,445.76x = 39,668.34 × 8,927.89
  4. Step 4: Simplify right side
    26,445.76x = 354,154,576.00
  5. Step 5: Solve for x
    x = 354,154,576.00/26,445.76
  6. Step 6: Final answer
    x = 13,391.73

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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.