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Finding the Fourth Proportional to 65,660.98, 98,482.14 and 37,489.60

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Solution

The fourth proportional to 65,660.98, 98,482.14 and 37,489.60 is: 56,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,660.98 : 98,482.14 = 37,489.60 : x
  2. Step 2: Convert to fraction form
    65,660.98/98,482.14 = 37,489.60/x
  3. Step 3: Cross multiply
    65,660.98x = 98,482.14 × 37,489.60
  4. Step 4: Simplify right side
    65,660.98x = 3,692,056,035.74
  5. Step 5: Solve for x
    x = 3,692,056,035.74/65,660.98
  6. Step 6: Final answer
    x = 56,229.07

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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.