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Finding the Fourth Proportional to 67,070, 92,556.60 and 37,262

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Solution

The fourth proportional to 67,070, 92,556.60 and 37,262 is: 51,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070 : 92,556.60 = 37,262 : x
  2. Step 2: Convert to fraction form
    67,070/92,556.60 = 37,262/x
  3. Step 3: Cross multiply
    67,070x = 92,556.60 × 37,262
  4. Step 4: Simplify right side
    67,070x = 3,448,844,029.20
  5. Step 5: Solve for x
    x = 3,448,844,029.20/67,070
  6. Step 6: Final answer
    x = 51,421.56

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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.