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Finding the Fourth Proportional to 8,558.88, 12,838.24 and 6,483.04

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Solution

The fourth proportional to 8,558.88, 12,838.24 and 6,483.04 is: 9,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.88 : 12,838.24 = 6,483.04 : x
  2. Step 2: Convert to fraction form
    8,558.88/12,838.24 = 6,483.04/x
  3. Step 3: Cross multiply
    8,558.88x = 12,838.24 × 6,483.04
  4. Step 4: Simplify right side
    8,558.88x = 83,230,823.45
  5. Step 5: Solve for x
    x = 83,230,823.45/8,558.88
  6. Step 6: Final answer
    x = 9,724.50

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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.