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Finding the Fourth Proportional to 64,818.90, 89,446.87 and 36,526.41

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Solution

The fourth proportional to 64,818.90, 89,446.87 and 36,526.41 is: 50,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,818.90 : 89,446.87 = 36,526.41 : x
  2. Step 2: Convert to fraction form
    64,818.90/89,446.87 = 36,526.41/x
  3. Step 3: Cross multiply
    64,818.90x = 89,446.87 × 36,526.41
  4. Step 4: Simplify right side
    64,818.90x = 3,267,172,508.29
  5. Step 5: Solve for x
    x = 3,267,172,508.29/64,818.90
  6. Step 6: Final answer
    x = 50,404.63

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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.