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Finding the Fourth Proportional to 43,335.45, 65,003.18 and 43,335.45

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Solution

The fourth proportional to 43,335.45, 65,003.18 and 43,335.45 is: 65,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.45 : 65,003.18 = 43,335.45 : x
  2. Step 2: Convert to fraction form
    43,335.45/65,003.18 = 43,335.45/x
  3. Step 3: Cross multiply
    43,335.45x = 65,003.18 × 43,335.45
  4. Step 4: Simplify right side
    43,335.45x = 2,816,941,840.05
  5. Step 5: Solve for x
    x = 2,816,941,840.05/43,335.45
  6. Step 6: Final answer
    x = 65,003.18

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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.