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Finding the Fourth Proportional to 9,479.84, 14,188.77 and 8,570.41

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Solution

The fourth proportional to 9,479.84, 14,188.77 and 8,570.41 is: 12,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.84 : 14,188.77 = 8,570.41 : x
  2. Step 2: Convert to fraction form
    9,479.84/14,188.77 = 8,570.41/x
  3. Step 3: Cross multiply
    9,479.84x = 14,188.77 × 8,570.41
  4. Step 4: Simplify right side
    9,479.84x = 121,603,540.82
  5. Step 5: Solve for x
    x = 121,603,540.82/9,479.84
  6. Step 6: Final answer
    x = 12,827.60

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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.