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Finding the Fourth Proportional to 52,502.58, 72,455.31 and 28,630.56

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Solution

The fourth proportional to 52,502.58, 72,455.31 and 28,630.56 is: 39,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.58 : 72,455.31 = 28,630.56 : x
  2. Step 2: Convert to fraction form
    52,502.58/72,455.31 = 28,630.56/x
  3. Step 3: Cross multiply
    52,502.58x = 72,455.31 × 28,630.56
  4. Step 4: Simplify right side
    52,502.58x = 2,074,436,371.98
  5. Step 5: Solve for x
    x = 2,074,436,371.98/52,502.58
  6. Step 6: Final answer
    x = 39,511.13

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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.