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Finding the Fourth Proportional to 12,567.54, 18,841.98 and 6,322.98

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Solution

The fourth proportional to 12,567.54, 18,841.98 and 6,322.98 is: 9,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.54 : 18,841.98 = 6,322.98 : x
  2. Step 2: Convert to fraction form
    12,567.54/18,841.98 = 6,322.98/x
  3. Step 3: Cross multiply
    12,567.54x = 18,841.98 × 6,322.98
  4. Step 4: Simplify right side
    12,567.54x = 119,137,462.70
  5. Step 5: Solve for x
    x = 119,137,462.70/12,567.54
  6. Step 6: Final answer
    x = 9,479.78

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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.