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Finding the Fourth Proportional to 22,415.74, 33,603.56 and 9,259.72

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Solution

The fourth proportional to 22,415.74, 33,603.56 and 9,259.72 is: 13,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.74 : 33,603.56 = 9,259.72 : x
  2. Step 2: Convert to fraction form
    22,415.74/33,603.56 = 9,259.72/x
  3. Step 3: Cross multiply
    22,415.74x = 33,603.56 × 9,259.72
  4. Step 4: Simplify right side
    22,415.74x = 311,159,556.60
  5. Step 5: Solve for x
    x = 311,159,556.60/22,415.74
  6. Step 6: Final answer
    x = 13,881.30

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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.