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Finding the Fourth Proportional to 58,336.63, 80,335.14 and 50,676.40

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Solution

The fourth proportional to 58,336.63, 80,335.14 and 50,676.40 is: 69,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,336.63 : 80,335.14 = 50,676.40 : x
  2. Step 2: Convert to fraction form
    58,336.63/80,335.14 = 50,676.40/x
  3. Step 3: Cross multiply
    58,336.63x = 80,335.14 × 50,676.40
  4. Step 4: Simplify right side
    58,336.63x = 4,071,095,688.70
  5. Step 5: Solve for x
    x = 4,071,095,688.70/58,336.63
  6. Step 6: Final answer
    x = 69,786.27

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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.