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Finding the Fourth Proportional to 8,633.94, 12,931.47 and 6,048.42

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Solution

The fourth proportional to 8,633.94, 12,931.47 and 6,048.42 is: 9,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.94 : 12,931.47 = 6,048.42 : x
  2. Step 2: Convert to fraction form
    8,633.94/12,931.47 = 6,048.42/x
  3. Step 3: Cross multiply
    8,633.94x = 12,931.47 × 6,048.42
  4. Step 4: Simplify right side
    8,633.94x = 78,214,961.78
  5. Step 5: Solve for x
    x = 78,214,961.78/8,633.94
  6. Step 6: Final answer
    x = 9,059.01

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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.