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Finding the Fourth Proportional to 8,548.86, 12,815.66 and 4,602.25

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Solution

The fourth proportional to 8,548.86, 12,815.66 and 4,602.25 is: 6,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.86 : 12,815.66 = 4,602.25 : x
  2. Step 2: Convert to fraction form
    8,548.86/12,815.66 = 4,602.25/x
  3. Step 3: Cross multiply
    8,548.86x = 12,815.66 × 4,602.25
  4. Step 4: Simplify right side
    8,548.86x = 58,980,850.70
  5. Step 5: Solve for x
    x = 58,980,850.70/8,548.86
  6. Step 6: Final answer
    x = 6,899.27

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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.