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Finding the Fourth Proportional to 14,909.76, 22,330.88 and 8,576.64

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Solution

The fourth proportional to 14,909.76, 22,330.88 and 8,576.64 is: 12,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.76 : 22,330.88 = 8,576.64 : x
  2. Step 2: Convert to fraction form
    14,909.76/22,330.88 = 8,576.64/x
  3. Step 3: Cross multiply
    14,909.76x = 22,330.88 × 8,576.64
  4. Step 4: Simplify right side
    14,909.76x = 191,523,918.64
  5. Step 5: Solve for x
    x = 191,523,918.64/14,909.76
  6. Step 6: Final answer
    x = 12,845.54

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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.