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Finding the Fourth Proportional to 64,881.68, 89,536.92 and 36,587.36

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Solution

The fourth proportional to 64,881.68, 89,536.92 and 36,587.36 is: 50,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.68 : 89,536.92 = 36,587.36 : x
  2. Step 2: Convert to fraction form
    64,881.68/89,536.92 = 36,587.36/x
  3. Step 3: Cross multiply
    64,881.68x = 89,536.92 × 36,587.36
  4. Step 4: Simplify right side
    64,881.68x = 3,275,919,525.33
  5. Step 5: Solve for x
    x = 3,275,919,525.33/64,881.68
  6. Step 6: Final answer
    x = 50,490.67

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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.