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Finding the Fourth Proportional to 8,763.30, 12,093.40 and 4,784.50

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Solution

The fourth proportional to 8,763.30, 12,093.40 and 4,784.50 is: 6,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.30 : 12,093.40 = 4,784.50 : x
  2. Step 2: Convert to fraction form
    8,763.30/12,093.40 = 4,784.50/x
  3. Step 3: Cross multiply
    8,763.30x = 12,093.40 × 4,784.50
  4. Step 4: Simplify right side
    8,763.30x = 57,860,872.30
  5. Step 5: Solve for x
    x = 57,860,872.30/8,763.30
  6. Step 6: Final answer
    x = 6,602.64

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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.