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Finding the Fourth Proportional to 46,387.99, 69,524.95 and 21,393.34

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Solution

The fourth proportional to 46,387.99, 69,524.95 and 21,393.34 is: 32,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,387.99 : 69,524.95 = 21,393.34 : x
  2. Step 2: Convert to fraction form
    46,387.99/69,524.95 = 21,393.34/x
  3. Step 3: Cross multiply
    46,387.99x = 69,524.95 × 21,393.34
  4. Step 4: Simplify right side
    46,387.99x = 1,487,370,893.83
  5. Step 5: Solve for x
    x = 1,487,370,893.83/46,387.99
  6. Step 6: Final answer
    x = 32,063.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.