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Finding the Fourth Proportional to 22,291, 33,438.66 and 7,503.64

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Solution

The fourth proportional to 22,291, 33,438.66 and 7,503.64 is: 11,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291 : 33,438.66 = 7,503.64 : x
  2. Step 2: Convert to fraction form
    22,291/33,438.66 = 7,503.64/x
  3. Step 3: Cross multiply
    22,291x = 33,438.66 × 7,503.64
  4. Step 4: Simplify right side
    22,291x = 250,911,666.72
  5. Step 5: Solve for x
    x = 250,911,666.72/22,291
  6. Step 6: Final answer
    x = 11,256.19

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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.