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Finding the Fourth Proportional to 62,684.50, 94,036.48 and 20,554.78

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Solution

The fourth proportional to 62,684.50, 94,036.48 and 20,554.78 is: 30,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,684.50 : 94,036.48 = 20,554.78 : x
  2. Step 2: Convert to fraction form
    62,684.50/94,036.48 = 20,554.78/x
  3. Step 3: Cross multiply
    62,684.50x = 94,036.48 × 20,554.78
  4. Step 4: Simplify right side
    62,684.50x = 1,932,899,158.37
  5. Step 5: Solve for x
    x = 1,932,899,158.37/62,684.50
  6. Step 6: Final answer
    x = 30,835.36

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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.