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Finding the Fourth Proportional to 12,846.48, 19,258.20 and 4,521.48

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Solution

The fourth proportional to 12,846.48, 19,258.20 and 4,521.48 is: 6,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.48 : 19,258.20 = 4,521.48 : x
  2. Step 2: Convert to fraction form
    12,846.48/19,258.20 = 4,521.48/x
  3. Step 3: Cross multiply
    12,846.48x = 19,258.20 × 4,521.48
  4. Step 4: Simplify right side
    12,846.48x = 87,075,566.14
  5. Step 5: Solve for x
    x = 87,075,566.14/12,846.48
  6. Step 6: Final answer
    x = 6,778.17

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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.