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Finding the Fourth Proportional to 74,783.76, 112,257.72 and 37,333.32

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Solution

The fourth proportional to 74,783.76, 112,257.72 and 37,333.32 is: 56,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.76 : 112,257.72 = 37,333.32 : x
  2. Step 2: Convert to fraction form
    74,783.76/112,257.72 = 37,333.32/x
  3. Step 3: Cross multiply
    74,783.76x = 112,257.72 × 37,333.32
  4. Step 4: Simplify right side
    74,783.76x = 4,190,953,383.23
  5. Step 5: Solve for x
    x = 4,190,953,383.23/74,783.76
  6. Step 6: Final answer
    x = 56,040.96

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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.