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Finding the Fourth Proportional to 35,106.20, 52,665.60 and 18,461.60

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Solution

The fourth proportional to 35,106.20, 52,665.60 and 18,461.60 is: 27,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.20 : 52,665.60 = 18,461.60 : x
  2. Step 2: Convert to fraction form
    35,106.20/52,665.60 = 18,461.60/x
  3. Step 3: Cross multiply
    35,106.20x = 52,665.60 × 18,461.60
  4. Step 4: Simplify right side
    35,106.20x = 972,291,240.96
  5. Step 5: Solve for x
    x = 972,291,240.96/35,106.20
  6. Step 6: Final answer
    x = 27,695.71

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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.