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Finding the Fourth Proportional to 63,554.94, 87,706.84 and 36,699.80

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Solution

The fourth proportional to 63,554.94, 87,706.84 and 36,699.80 is: 50,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,554.94 : 87,706.84 = 36,699.80 : x
  2. Step 2: Convert to fraction form
    63,554.94/87,706.84 = 36,699.80/x
  3. Step 3: Cross multiply
    63,554.94x = 87,706.84 × 36,699.80
  4. Step 4: Simplify right side
    63,554.94x = 3,218,823,025.16
  5. Step 5: Solve for x
    x = 3,218,823,025.16/63,554.94
  6. Step 6: Final answer
    x = 50,646.31

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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.