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Finding the Fourth Proportional to 32,040.40, 48,060.88 and 21,016.88

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Solution

The fourth proportional to 32,040.40, 48,060.88 and 21,016.88 is: 31,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,040.40 : 48,060.88 = 21,016.88 : x
  2. Step 2: Convert to fraction form
    32,040.40/48,060.88 = 21,016.88/x
  3. Step 3: Cross multiply
    32,040.40x = 48,060.88 × 21,016.88
  4. Step 4: Simplify right side
    32,040.40x = 1,010,089,747.65
  5. Step 5: Solve for x
    x = 1,010,089,747.65/32,040.40
  6. Step 6: Final answer
    x = 31,525.50

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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.