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Finding the Fourth Proportional to 8,549.12, 12,827.52 and 4,647.68

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Solution

The fourth proportional to 8,549.12, 12,827.52 and 4,647.68 is: 6,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.12 : 12,827.52 = 4,647.68 : x
  2. Step 2: Convert to fraction form
    8,549.12/12,827.52 = 4,647.68/x
  3. Step 3: Cross multiply
    8,549.12x = 12,827.52 × 4,647.68
  4. Step 4: Simplify right side
    8,549.12x = 59,618,208.15
  5. Step 5: Solve for x
    x = 59,618,208.15/8,549.12
  6. Step 6: Final answer
    x = 6,973.61

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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.