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Finding the Fourth Proportional to 30,245.52, 45,410.40 and 15,466.08

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Solution

The fourth proportional to 30,245.52, 45,410.40 and 15,466.08 is: 23,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.52 : 45,410.40 = 15,466.08 : x
  2. Step 2: Convert to fraction form
    30,245.52/45,410.40 = 15,466.08/x
  3. Step 3: Cross multiply
    30,245.52x = 45,410.40 × 15,466.08
  4. Step 4: Simplify right side
    30,245.52x = 702,320,879.23
  5. Step 5: Solve for x
    x = 702,320,879.23/30,245.52
  6. Step 6: Final answer
    x = 23,220.66

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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.