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Finding the Fourth Proportional to 30,392.88, 45,469.44 and 23,018.64

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Solution

The fourth proportional to 30,392.88, 45,469.44 and 23,018.64 is: 34,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.88 : 45,469.44 = 23,018.64 : x
  2. Step 2: Convert to fraction form
    30,392.88/45,469.44 = 23,018.64/x
  3. Step 3: Cross multiply
    30,392.88x = 45,469.44 × 23,018.64
  4. Step 4: Simplify right side
    30,392.88x = 1,046,644,670.36
  5. Step 5: Solve for x
    x = 1,046,644,670.36/30,392.88
  6. Step 6: Final answer
    x = 34,437.17

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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.