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Finding the Fourth Proportional to 8,733.60, 13,111.08 and 5,774.60

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Solution

The fourth proportional to 8,733.60, 13,111.08 and 5,774.60 is: 8,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.60 : 13,111.08 = 5,774.60 : x
  2. Step 2: Convert to fraction form
    8,733.60/13,111.08 = 5,774.60/x
  3. Step 3: Cross multiply
    8,733.60x = 13,111.08 × 5,774.60
  4. Step 4: Simplify right side
    8,733.60x = 75,711,242.57
  5. Step 5: Solve for x
    x = 75,711,242.57/8,733.60
  6. Step 6: Final answer
    x = 8,668.96

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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.