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Finding the Fourth Proportional to 45,228, 62,416.56 and 25,356

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Solution

The fourth proportional to 45,228, 62,416.56 and 25,356 is: 34,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228 : 62,416.56 = 25,356 : x
  2. Step 2: Convert to fraction form
    45,228/62,416.56 = 25,356/x
  3. Step 3: Cross multiply
    45,228x = 62,416.56 × 25,356
  4. Step 4: Simplify right side
    45,228x = 1,582,634,295.36
  5. Step 5: Solve for x
    x = 1,582,634,295.36/45,228
  6. Step 6: Final answer
    x = 34,992.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.