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Finding the Fourth Proportional to 45,018, 62,124.84 and 25,146

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Solution

The fourth proportional to 45,018, 62,124.84 and 25,146 is: 34,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,018 : 62,124.84 = 25,146 : x
  2. Step 2: Convert to fraction form
    45,018/62,124.84 = 25,146/x
  3. Step 3: Cross multiply
    45,018x = 62,124.84 × 25,146
  4. Step 4: Simplify right side
    45,018x = 1,562,191,226.64
  5. Step 5: Solve for x
    x = 1,562,191,226.64/45,018
  6. Step 6: Final answer
    x = 34,701.48

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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.