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Finding the Fourth Proportional to 50,586.56, 75,888.08 and 18,999.08

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Solution

The fourth proportional to 50,586.56, 75,888.08 and 18,999.08 is: 28,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,586.56 : 75,888.08 = 18,999.08 : x
  2. Step 2: Convert to fraction form
    50,586.56/75,888.08 = 18,999.08/x
  3. Step 3: Cross multiply
    50,586.56x = 75,888.08 × 18,999.08
  4. Step 4: Simplify right side
    50,586.56x = 1,441,803,702.97
  5. Step 5: Solve for x
    x = 1,441,803,702.97/50,586.56
  6. Step 6: Final answer
    x = 28,501.71

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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.