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Finding the Fourth Proportional to 65,271.34, 90,070.92 and 36,976.42

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Solution

The fourth proportional to 65,271.34, 90,070.92 and 36,976.42 is: 51,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,271.34 : 90,070.92 = 36,976.42 : x
  2. Step 2: Convert to fraction form
    65,271.34/90,070.92 = 36,976.42/x
  3. Step 3: Cross multiply
    65,271.34x = 90,070.92 × 36,976.42
  4. Step 4: Simplify right side
    65,271.34x = 3,330,500,167.71
  5. Step 5: Solve for x
    x = 3,330,500,167.71/65,271.34
  6. Step 6: Final answer
    x = 51,025.46

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