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Finding the Fourth Proportional to 65,612.76, 98,419.46 and 36,014.36

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Solution

The fourth proportional to 65,612.76, 98,419.46 and 36,014.36 is: 54,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,612.76 : 98,419.46 = 36,014.36 : x
  2. Step 2: Convert to fraction form
    65,612.76/98,419.46 = 36,014.36/x
  3. Step 3: Cross multiply
    65,612.76x = 98,419.46 × 36,014.36
  4. Step 4: Simplify right side
    65,612.76x = 3,544,513,863.45
  5. Step 5: Solve for x
    x = 3,544,513,863.45/65,612.76
  6. Step 6: Final answer
    x = 54,021.72

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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.