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Finding the Fourth Proportional to 30,444.98, 45,670.22 and 8,258.48

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Solution

The fourth proportional to 30,444.98, 45,670.22 and 8,258.48 is: 12,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.98 : 45,670.22 = 8,258.48 : x
  2. Step 2: Convert to fraction form
    30,444.98/45,670.22 = 8,258.48/x
  3. Step 3: Cross multiply
    30,444.98x = 45,670.22 × 8,258.48
  4. Step 4: Simplify right side
    30,444.98x = 377,166,328.82
  5. Step 5: Solve for x
    x = 377,166,328.82/30,444.98
  6. Step 6: Final answer
    x = 12,388.46

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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.