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Finding the Fourth Proportional to 83,353.86, 115,025.49 and 47,555.46

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Solution

The fourth proportional to 83,353.86, 115,025.49 and 47,555.46 is: 65,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,353.86 : 115,025.49 = 47,555.46 : x
  2. Step 2: Convert to fraction form
    83,353.86/115,025.49 = 47,555.46/x
  3. Step 3: Cross multiply
    83,353.86x = 115,025.49 × 47,555.46
  4. Step 4: Simplify right side
    83,353.86x = 5,470,090,088.68
  5. Step 5: Solve for x
    x = 5,470,090,088.68/83,353.86
  6. Step 6: Final answer
    x = 65,624.92

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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.