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Finding the Fourth Proportional to 22,205.61, 33,308.01 and 9,054.86

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Solution

The fourth proportional to 22,205.61, 33,308.01 and 9,054.86 is: 13,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.61 : 33,308.01 = 9,054.86 : x
  2. Step 2: Convert to fraction form
    22,205.61/33,308.01 = 9,054.86/x
  3. Step 3: Cross multiply
    22,205.61x = 33,308.01 × 9,054.86
  4. Step 4: Simplify right side
    22,205.61x = 301,599,200.89
  5. Step 5: Solve for x
    x = 301,599,200.89/22,205.61
  6. Step 6: Final answer
    x = 13,582.12

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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.