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Finding the Fourth Proportional to 12,594.93, 18,866.46 and 7,388.25

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Solution

The fourth proportional to 12,594.93, 18,866.46 and 7,388.25 is: 11,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.93 : 18,866.46 = 7,388.25 : x
  2. Step 2: Convert to fraction form
    12,594.93/18,866.46 = 7,388.25/x
  3. Step 3: Cross multiply
    12,594.93x = 18,866.46 × 7,388.25
  4. Step 4: Simplify right side
    12,594.93x = 139,390,123.10
  5. Step 5: Solve for x
    x = 139,390,123.10/12,594.93
  6. Step 6: Final answer
    x = 11,067.16

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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.