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Finding the Fourth Proportional to 8,853.64, 13,280.34 and 3,014.32

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Solution

The fourth proportional to 8,853.64, 13,280.34 and 3,014.32 is: 4,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.64 : 13,280.34 = 3,014.32 : x
  2. Step 2: Convert to fraction form
    8,853.64/13,280.34 = 3,014.32/x
  3. Step 3: Cross multiply
    8,853.64x = 13,280.34 × 3,014.32
  4. Step 4: Simplify right side
    8,853.64x = 40,031,194.47
  5. Step 5: Solve for x
    x = 40,031,194.47/8,853.64
  6. Step 6: Final answer
    x = 4,521.44

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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.