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Finding the Fourth Proportional to 12,658.41, 18,967.50 and 8,483.00

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Solution

The fourth proportional to 12,658.41, 18,967.50 and 8,483.00 is: 12,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658.41 : 18,967.50 = 8,483.00 : x
  2. Step 2: Convert to fraction form
    12,658.41/18,967.50 = 8,483.00/x
  3. Step 3: Cross multiply
    12,658.41x = 18,967.50 × 8,483.00
  4. Step 4: Simplify right side
    12,658.41x = 160,901,207.66
  5. Step 5: Solve for x
    x = 160,901,207.66/12,658.41
  6. Step 6: Final answer
    x = 12,711.01

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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.