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Finding the Fourth Proportional to 65,762.20, 98,643.30 and 26,347.60

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Solution

The fourth proportional to 65,762.20, 98,643.30 and 26,347.60 is: 39,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.20 : 98,643.30 = 26,347.60 : x
  2. Step 2: Convert to fraction form
    65,762.20/98,643.30 = 26,347.60/x
  3. Step 3: Cross multiply
    65,762.20x = 98,643.30 × 26,347.60
  4. Step 4: Simplify right side
    65,762.20x = 2,599,014,211.08
  5. Step 5: Solve for x
    x = 2,599,014,211.08/65,762.20
  6. Step 6: Final answer
    x = 39,521.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.