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Finding the Fourth Proportional to 60,645.60, 90,857.56 and 43,964.28

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Solution

The fourth proportional to 60,645.60, 90,857.56 and 43,964.28 is: 65,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,645.60 : 90,857.56 = 43,964.28 : x
  2. Step 2: Convert to fraction form
    60,645.60/90,857.56 = 43,964.28/x
  3. Step 3: Cross multiply
    60,645.60x = 90,857.56 × 43,964.28
  4. Step 4: Simplify right side
    60,645.60x = 3,994,487,207.96
  5. Step 5: Solve for x
    x = 3,994,487,207.96/60,645.60
  6. Step 6: Final answer
    x = 65,866.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.