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Finding the Fourth Proportional to 45,308, 62,525.04 and 25,436

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Solution

The fourth proportional to 45,308, 62,525.04 and 25,436 is: 35,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,308 : 62,525.04 = 25,436 : x
  2. Step 2: Convert to fraction form
    45,308/62,525.04 = 25,436/x
  3. Step 3: Cross multiply
    45,308x = 62,525.04 × 25,436
  4. Step 4: Simplify right side
    45,308x = 1,590,386,917.44
  5. Step 5: Solve for x
    x = 1,590,386,917.44/45,308
  6. Step 6: Final answer
    x = 35,101.68

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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.