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Finding the Fourth Proportional to 76,374.76, 114,552.78 and 23,783.08

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Solution

The fourth proportional to 76,374.76, 114,552.78 and 23,783.08 is: 35,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,374.76 : 114,552.78 = 23,783.08 : x
  2. Step 2: Convert to fraction form
    76,374.76/114,552.78 = 23,783.08/x
  3. Step 3: Cross multiply
    76,374.76x = 114,552.78 × 23,783.08
  4. Step 4: Simplify right side
    76,374.76x = 2,724,417,930.96
  5. Step 5: Solve for x
    x = 2,724,417,930.96/76,374.76
  6. Step 6: Final answer
    x = 35,671.71

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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.