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Finding the Fourth Proportional to 69,901.59, 96,455.70 and 41,219.49

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Solution

The fourth proportional to 69,901.59, 96,455.70 and 41,219.49 is: 56,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.59 : 96,455.70 = 41,219.49 : x
  2. Step 2: Convert to fraction form
    69,901.59/96,455.70 = 41,219.49/x
  3. Step 3: Cross multiply
    69,901.59x = 96,455.70 × 41,219.49
  4. Step 4: Simplify right side
    69,901.59x = 3,975,854,761.59
  5. Step 5: Solve for x
    x = 3,975,854,761.59/69,901.59
  6. Step 6: Final answer
    x = 56,877.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.