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Finding the Fourth Proportional to 63,782.99, 88,032.71 and 42,234.73

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Solution

The fourth proportional to 63,782.99, 88,032.71 and 42,234.73 is: 58,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,782.99 : 88,032.71 = 42,234.73 : x
  2. Step 2: Convert to fraction form
    63,782.99/88,032.71 = 42,234.73/x
  3. Step 3: Cross multiply
    63,782.99x = 88,032.71 × 42,234.73
  4. Step 4: Simplify right side
    63,782.99x = 3,718,037,297.85
  5. Step 5: Solve for x
    x = 3,718,037,297.85/63,782.99
  6. Step 6: Final answer
    x = 58,291.99

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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.