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Finding the Fourth Proportional to 25,870.40, 38,832.75 and 22,927.67

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Solution

The fourth proportional to 25,870.40, 38,832.75 and 22,927.67 is: 34,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.40 : 38,832.75 = 22,927.67 : x
  2. Step 2: Convert to fraction form
    25,870.40/38,832.75 = 22,927.67/x
  3. Step 3: Cross multiply
    25,870.40x = 38,832.75 × 22,927.67
  4. Step 4: Simplify right side
    25,870.40x = 890,344,362.55
  5. Step 5: Solve for x
    x = 890,344,362.55/25,870.40
  6. Step 6: Final answer
    x = 34,415.56

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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.