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Finding the Fourth Proportional to 64,212.96, 88,593.84 and 39,053.28

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Solution

The fourth proportional to 64,212.96, 88,593.84 and 39,053.28 is: 53,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.96 : 88,593.84 = 39,053.28 : x
  2. Step 2: Convert to fraction form
    64,212.96/88,593.84 = 39,053.28/x
  3. Step 3: Cross multiply
    64,212.96x = 88,593.84 × 39,053.28
  4. Step 4: Simplify right side
    64,212.96x = 3,459,880,039.80
  5. Step 5: Solve for x
    x = 3,459,880,039.80/64,212.96
  6. Step 6: Final answer
    x = 53,881.34

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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.