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Finding the Fourth Proportional to 71,973.40, 107,927.70 and 32,510.20

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Solution

The fourth proportional to 71,973.40, 107,927.70 and 32,510.20 is: 48,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.40 : 107,927.70 = 32,510.20 : x
  2. Step 2: Convert to fraction form
    71,973.40/107,927.70 = 32,510.20/x
  3. Step 3: Cross multiply
    71,973.40x = 107,927.70 × 32,510.20
  4. Step 4: Simplify right side
    71,973.40x = 3,508,751,112.54
  5. Step 5: Solve for x
    x = 3,508,751,112.54/71,973.40
  6. Step 6: Final answer
    x = 48,750.67

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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.