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Finding the Fourth Proportional to 64,199.40, 88,599.90 and 36,980.22

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Solution

The fourth proportional to 64,199.40, 88,599.90 and 36,980.22 is: 51,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,199.40 : 88,599.90 = 36,980.22 : x
  2. Step 2: Convert to fraction form
    64,199.40/88,599.90 = 36,980.22/x
  3. Step 3: Cross multiply
    64,199.40x = 88,599.90 × 36,980.22
  4. Step 4: Simplify right side
    64,199.40x = 3,276,443,793.98
  5. Step 5: Solve for x
    x = 3,276,443,793.98/64,199.40
  6. Step 6: Final answer
    x = 51,035.43

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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.