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Finding the Fourth Proportional to 15,798.23, 23,711.68 and 8,408.91

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Solution

The fourth proportional to 15,798.23, 23,711.68 and 8,408.91 is: 12,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.23 : 23,711.68 = 8,408.91 : x
  2. Step 2: Convert to fraction form
    15,798.23/23,711.68 = 8,408.91/x
  3. Step 3: Cross multiply
    15,798.23x = 23,711.68 × 8,408.91
  4. Step 4: Simplify right side
    15,798.23x = 199,389,383.07
  5. Step 5: Solve for x
    x = 199,389,383.07/15,798.23
  6. Step 6: Final answer
    x = 12,621.00

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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.