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Finding the Fourth Proportional to 8,827.85, 12,167.80 and 8,594.12

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Solution

The fourth proportional to 8,827.85, 12,167.80 and 8,594.12 is: 11,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.85 : 12,167.80 = 8,594.12 : x
  2. Step 2: Convert to fraction form
    8,827.85/12,167.80 = 8,594.12/x
  3. Step 3: Cross multiply
    8,827.85x = 12,167.80 × 8,594.12
  4. Step 4: Simplify right side
    8,827.85x = 104,571,533.34
  5. Step 5: Solve for x
    x = 104,571,533.34/8,827.85
  6. Step 6: Final answer
    x = 11,845.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.