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Finding the Fourth Proportional to 8,567.93, 12,816.35 and 8,043.05

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Solution

The fourth proportional to 8,567.93, 12,816.35 and 8,043.05 is: 12,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.93 : 12,816.35 = 8,043.05 : x
  2. Step 2: Convert to fraction form
    8,567.93/12,816.35 = 8,043.05/x
  3. Step 3: Cross multiply
    8,567.93x = 12,816.35 × 8,043.05
  4. Step 4: Simplify right side
    8,567.93x = 103,082,516.38
  5. Step 5: Solve for x
    x = 103,082,516.38/8,567.93
  6. Step 6: Final answer
    x = 12,031.21

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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.