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Finding the Fourth Proportional to 65,205.52, 97,860.12 and 55,953.70

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Solution

The fourth proportional to 65,205.52, 97,860.12 and 55,953.70 is: 83,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,205.52 : 97,860.12 = 55,953.70 : x
  2. Step 2: Convert to fraction form
    65,205.52/97,860.12 = 55,953.70/x
  3. Step 3: Cross multiply
    65,205.52x = 97,860.12 × 55,953.70
  4. Step 4: Simplify right side
    65,205.52x = 5,475,635,796.44
  5. Step 5: Solve for x
    x = 5,475,635,796.44/65,205.52
  6. Step 6: Final answer
    x = 83,975.03

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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.