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Finding the Fourth Proportional to 16,556.81, 22,848.40 and 9,104.81

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Solution

The fourth proportional to 16,556.81, 22,848.40 and 9,104.81 is: 12,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.81 : 22,848.40 = 9,104.81 : x
  2. Step 2: Convert to fraction form
    16,556.81/22,848.40 = 9,104.81/x
  3. Step 3: Cross multiply
    16,556.81x = 22,848.40 × 9,104.81
  4. Step 4: Simplify right side
    16,556.81x = 208,030,340.80
  5. Step 5: Solve for x
    x = 208,030,340.80/16,556.81
  6. Step 6: Final answer
    x = 12,564.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.