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Finding the Fourth Proportional to 64,117.33, 88,481.43 and 35,438.94

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Solution

The fourth proportional to 64,117.33, 88,481.43 and 35,438.94 is: 48,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.33 : 88,481.43 = 35,438.94 : x
  2. Step 2: Convert to fraction form
    64,117.33/88,481.43 = 35,438.94/x
  3. Step 3: Cross multiply
    64,117.33x = 88,481.43 × 35,438.94
  4. Step 4: Simplify right side
    64,117.33x = 3,135,688,088.88
  5. Step 5: Solve for x
    x = 3,135,688,088.88/64,117.33
  6. Step 6: Final answer
    x = 48,905.47

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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.