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Finding the Fourth Proportional to 65,336.40, 98,017.80 and 25,894.92

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Solution

The fourth proportional to 65,336.40, 98,017.80 and 25,894.92 is: 38,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,336.40 : 98,017.80 = 25,894.92 : x
  2. Step 2: Convert to fraction form
    65,336.40/98,017.80 = 25,894.92/x
  3. Step 3: Cross multiply
    65,336.40x = 98,017.80 × 25,894.92
  4. Step 4: Simplify right side
    65,336.40x = 2,538,163,089.58
  5. Step 5: Solve for x
    x = 2,538,163,089.58/65,336.40
  6. Step 6: Final answer
    x = 38,847.61

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1.5x scale

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.