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Finding the Fourth Proportional to 64,220.28, 88,628.09 and 35,926.17

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Solution

The fourth proportional to 64,220.28, 88,628.09 and 35,926.17 is: 49,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,220.28 : 88,628.09 = 35,926.17 : x
  2. Step 2: Convert to fraction form
    64,220.28/88,628.09 = 35,926.17/x
  3. Step 3: Cross multiply
    64,220.28x = 88,628.09 × 35,926.17
  4. Step 4: Simplify right side
    64,220.28x = 3,184,067,648.48
  5. Step 5: Solve for x
    x = 3,184,067,648.48/64,220.28
  6. Step 6: Final answer
    x = 49,580.41

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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.