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Finding the Fourth Proportional to 76,435.62, 114,601.10 and 38,923.08

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Solution

The fourth proportional to 76,435.62, 114,601.10 and 38,923.08 is: 58,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,435.62 : 114,601.10 = 38,923.08 : x
  2. Step 2: Convert to fraction form
    76,435.62/114,601.10 = 38,923.08/x
  3. Step 3: Cross multiply
    76,435.62x = 114,601.10 × 38,923.08
  4. Step 4: Simplify right side
    76,435.62x = 4,460,627,588.77
  5. Step 5: Solve for x
    x = 4,460,627,588.77/76,435.62
  6. Step 6: Final answer
    x = 58,357.97

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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.