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Finding the Fourth Proportional to 15,259.72, 22,898.08 and 8,239.58

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Solution

The fourth proportional to 15,259.72, 22,898.08 and 8,239.58 is: 12,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.72 : 22,898.08 = 8,239.58 : x
  2. Step 2: Convert to fraction form
    15,259.72/22,898.08 = 8,239.58/x
  3. Step 3: Cross multiply
    15,259.72x = 22,898.08 × 8,239.58
  4. Step 4: Simplify right side
    15,259.72x = 188,670,541.41
  5. Step 5: Solve for x
    x = 188,670,541.41/15,259.72
  6. Step 6: Final answer
    x = 12,363.96

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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.