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Finding the Fourth Proportional to 65,964.80, 98,833.80 and 30,832.40

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Solution

The fourth proportional to 65,964.80, 98,833.80 and 30,832.40 is: 46,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.80 : 98,833.80 = 30,832.40 : x
  2. Step 2: Convert to fraction form
    65,964.80/98,833.80 = 30,832.40/x
  3. Step 3: Cross multiply
    65,964.80x = 98,833.80 × 30,832.40
  4. Step 4: Simplify right side
    65,964.80x = 3,047,283,255.12
  5. Step 5: Solve for x
    x = 3,047,283,255.12/65,964.80
  6. Step 6: Final answer
    x = 46,195.60

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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.