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Finding the Fourth Proportional to 12,804.39, 19,200.47 and 6,567.39

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Solution

The fourth proportional to 12,804.39, 19,200.47 and 6,567.39 is: 9,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.39 : 19,200.47 = 6,567.39 : x
  2. Step 2: Convert to fraction form
    12,804.39/19,200.47 = 6,567.39/x
  3. Step 3: Cross multiply
    12,804.39x = 19,200.47 × 6,567.39
  4. Step 4: Simplify right side
    12,804.39x = 126,096,941.84
  5. Step 5: Solve for x
    x = 126,096,941.84/12,804.39
  6. Step 6: Final answer
    x = 9,847.95

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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.