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Finding the Fourth Proportional to 64,353.84, 88,808.32 and 39,203.34

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Solution

The fourth proportional to 64,353.84, 88,808.32 and 39,203.34 is: 54,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353.84 : 88,808.32 = 39,203.34 : x
  2. Step 2: Convert to fraction form
    64,353.84/88,808.32 = 39,203.34/x
  3. Step 3: Cross multiply
    64,353.84x = 88,808.32 × 39,203.34
  4. Step 4: Simplify right side
    64,353.84x = 3,481,582,763.79
  5. Step 5: Solve for x
    x = 3,481,582,763.79/64,353.84
  6. Step 6: Final answer
    x = 54,100.62

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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.