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Finding the Fourth Proportional to 22,300.60, 33,445.50 and 7,505.68

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Solution

The fourth proportional to 22,300.60, 33,445.50 and 7,505.68 is: 11,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,300.60 : 33,445.50 = 7,505.68 : x
  2. Step 2: Convert to fraction form
    22,300.60/33,445.50 = 7,505.68/x
  3. Step 3: Cross multiply
    22,300.60x = 33,445.50 × 7,505.68
  4. Step 4: Simplify right side
    22,300.60x = 251,031,220.44
  5. Step 5: Solve for x
    x = 251,031,220.44/22,300.60
  6. Step 6: Final answer
    x = 11,256.70

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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.