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Finding the Fourth Proportional to 12,466.64, 18,698.88 and 5,444.48

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Solution

The fourth proportional to 12,466.64, 18,698.88 and 5,444.48 is: 8,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.64 : 18,698.88 = 5,444.48 : x
  2. Step 2: Convert to fraction form
    12,466.64/18,698.88 = 5,444.48/x
  3. Step 3: Cross multiply
    12,466.64x = 18,698.88 × 5,444.48
  4. Step 4: Simplify right side
    12,466.64x = 101,805,678.18
  5. Step 5: Solve for x
    x = 101,805,678.18/12,466.64
  6. Step 6: Final answer
    x = 8,166.25

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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.