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Finding the Fourth Proportional to 65,893.76, 90,926.60 and 37,594

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Solution

The fourth proportional to 65,893.76, 90,926.60 and 37,594 is: 51,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,893.76 : 90,926.60 = 37,594 : x
  2. Step 2: Convert to fraction form
    65,893.76/90,926.60 = 37,594/x
  3. Step 3: Cross multiply
    65,893.76x = 90,926.60 × 37,594
  4. Step 4: Simplify right side
    65,893.76x = 3,418,294,600.40
  5. Step 5: Solve for x
    x = 3,418,294,600.40/65,893.76
  6. Step 6: Final answer
    x = 51,875.85

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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.