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Finding the Fourth Proportional to 64,383.76, 88,845.96 and 37,530.64

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Solution

The fourth proportional to 64,383.76, 88,845.96 and 37,530.64 is: 51,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383.76 : 88,845.96 = 37,530.64 : x
  2. Step 2: Convert to fraction form
    64,383.76/88,845.96 = 37,530.64/x
  3. Step 3: Cross multiply
    64,383.76x = 88,845.96 × 37,530.64
  4. Step 4: Simplify right side
    64,383.76x = 3,334,445,740.21
  5. Step 5: Solve for x
    x = 3,334,445,740.21/64,383.76
  6. Step 6: Final answer
    x = 51,790.17

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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.