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Finding the Fourth Proportional to 64,366.56, 88,836.48 and 39,214.44

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Solution

The fourth proportional to 64,366.56, 88,836.48 and 39,214.44 is: 54,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,366.56 : 88,836.48 = 39,214.44 : x
  2. Step 2: Convert to fraction form
    64,366.56/88,836.48 = 39,214.44/x
  3. Step 3: Cross multiply
    64,366.56x = 88,836.48 × 39,214.44
  4. Step 4: Simplify right side
    64,366.56x = 3,483,672,814.77
  5. Step 5: Solve for x
    x = 3,483,672,814.77/64,366.56
  6. Step 6: Final answer
    x = 54,122.40

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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.