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Finding the Fourth Proportional to 8,783.80, 12,117.35 and 5,984.44

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Solution

The fourth proportional to 8,783.80, 12,117.35 and 5,984.44 is: 8,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.80 : 12,117.35 = 5,984.44 : x
  2. Step 2: Convert to fraction form
    8,783.80/12,117.35 = 5,984.44/x
  3. Step 3: Cross multiply
    8,783.80x = 12,117.35 × 5,984.44
  4. Step 4: Simplify right side
    8,783.80x = 72,515,538.70
  5. Step 5: Solve for x
    x = 72,515,538.70/8,783.80
  6. Step 6: Final answer
    x = 8,255.60

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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.