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Finding the Fourth Proportional to 64,257.98, 96,384.56 and 16,872.64

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Solution

The fourth proportional to 64,257.98, 96,384.56 and 16,872.64 is: 25,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.98 : 96,384.56 = 16,872.64 : x
  2. Step 2: Convert to fraction form
    64,257.98/96,384.56 = 16,872.64/x
  3. Step 3: Cross multiply
    64,257.98x = 96,384.56 × 16,872.64
  4. Step 4: Simplify right side
    64,257.98x = 1,626,261,657.11
  5. Step 5: Solve for x
    x = 1,626,261,657.11/64,257.98
  6. Step 6: Final answer
    x = 25,308.32

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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.