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Finding the Fourth Proportional to 65,793.43, 98,699.87 and 19,040.23

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Solution

The fourth proportional to 65,793.43, 98,699.87 and 19,040.23 is: 28,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.43 : 98,699.87 = 19,040.23 : x
  2. Step 2: Convert to fraction form
    65,793.43/98,699.87 = 19,040.23/x
  3. Step 3: Cross multiply
    65,793.43x = 98,699.87 × 19,040.23
  4. Step 4: Simplify right side
    65,793.43x = 1,879,268,225.77
  5. Step 5: Solve for x
    x = 1,879,268,225.77/65,793.43
  6. Step 6: Final answer
    x = 28,563.16

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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.