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Finding the Fourth Proportional to 65,571.80, 98,335.01 and 40,573.58

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Solution

The fourth proportional to 65,571.80, 98,335.01 and 40,573.58 is: 60,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.80 : 98,335.01 = 40,573.58 : x
  2. Step 2: Convert to fraction form
    65,571.80/98,335.01 = 40,573.58/x
  3. Step 3: Cross multiply
    65,571.80x = 98,335.01 × 40,573.58
  4. Step 4: Simplify right side
    65,571.80x = 3,989,803,004.79
  5. Step 5: Solve for x
    x = 3,989,803,004.79/65,571.80
  6. Step 6: Final answer
    x = 60,846.33

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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.