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Finding the Fourth Proportional to 8,763.60, 12,093.96 and 4,784.88

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Solution

The fourth proportional to 8,763.60, 12,093.96 and 4,784.88 is: 6,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.60 : 12,093.96 = 4,784.88 : x
  2. Step 2: Convert to fraction form
    8,763.60/12,093.96 = 4,784.88/x
  3. Step 3: Cross multiply
    8,763.60x = 12,093.96 × 4,784.88
  4. Step 4: Simplify right side
    8,763.60x = 57,868,147.32
  5. Step 5: Solve for x
    x = 57,868,147.32/8,763.60
  6. Step 6: Final answer
    x = 6,603.24

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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.