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Finding the Fourth Proportional to 76,533.64, 114,747.54 and 39,020.92

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Solution

The fourth proportional to 76,533.64, 114,747.54 and 39,020.92 is: 58,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533.64 : 114,747.54 = 39,020.92 : x
  2. Step 2: Convert to fraction form
    76,533.64/114,747.54 = 39,020.92/x
  3. Step 3: Cross multiply
    76,533.64x = 114,747.54 × 39,020.92
  4. Step 4: Simplify right side
    76,533.64x = 4,477,554,578.54
  5. Step 5: Solve for x
    x = 4,477,554,578.54/76,533.64
  6. Step 6: Final answer
    x = 58,504.40

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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.