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Finding the Fourth Proportional to 76,495.68, 114,661.49 and 36,998.46

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Solution

The fourth proportional to 76,495.68, 114,661.49 and 36,998.46 is: 55,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,495.68 : 114,661.49 = 36,998.46 : x
  2. Step 2: Convert to fraction form
    76,495.68/114,661.49 = 36,998.46/x
  3. Step 3: Cross multiply
    76,495.68x = 114,661.49 × 36,998.46
  4. Step 4: Simplify right side
    76,495.68x = 4,242,298,366.31
  5. Step 5: Solve for x
    x = 4,242,298,366.31/76,495.68
  6. Step 6: Final answer
    x = 55,458.01

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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.