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Finding the Fourth Proportional to 69,430.68, 104,150.52 and 27,877.68

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Solution

The fourth proportional to 69,430.68, 104,150.52 and 27,877.68 is: 41,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430.68 : 104,150.52 = 27,877.68 : x
  2. Step 2: Convert to fraction form
    69,430.68/104,150.52 = 27,877.68/x
  3. Step 3: Cross multiply
    69,430.68x = 104,150.52 × 27,877.68
  4. Step 4: Simplify right side
    69,430.68x = 2,903,474,868.39
  5. Step 5: Solve for x
    x = 2,903,474,868.39/69,430.68
  6. Step 6: Final answer
    x = 41,818.33

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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.