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Finding the Fourth Proportional to 64,698.01, 89,282.24 and 36,403.76

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Solution

The fourth proportional to 64,698.01, 89,282.24 and 36,403.76 is: 50,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.01 : 89,282.24 = 36,403.76 : x
  2. Step 2: Convert to fraction form
    64,698.01/89,282.24 = 36,403.76/x
  3. Step 3: Cross multiply
    64,698.01x = 89,282.24 × 36,403.76
  4. Step 4: Simplify right side
    64,698.01x = 3,250,209,237.22
  5. Step 5: Solve for x
    x = 3,250,209,237.22/64,698.01
  6. Step 6: Final answer
    x = 50,236.62

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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.