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Finding the Fourth Proportional to 8,680.35, 13,030.25 and 5,764.35

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Solution

The fourth proportional to 8,680.35, 13,030.25 and 5,764.35 is: 8,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.35 : 13,030.25 = 5,764.35 : x
  2. Step 2: Convert to fraction form
    8,680.35/13,030.25 = 5,764.35/x
  3. Step 3: Cross multiply
    8,680.35x = 13,030.25 × 5,764.35
  4. Step 4: Simplify right side
    8,680.35x = 75,110,892.77
  5. Step 5: Solve for x
    x = 75,110,892.77/8,680.35
  6. Step 6: Final answer
    x = 8,652.98

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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.