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Finding the Fourth Proportional to 13,362.87, 20,046.08 and 4,928.24

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Solution

The fourth proportional to 13,362.87, 20,046.08 and 4,928.24 is: 7,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.87 : 20,046.08 = 4,928.24 : x
  2. Step 2: Convert to fraction form
    13,362.87/20,046.08 = 4,928.24/x
  3. Step 3: Cross multiply
    13,362.87x = 20,046.08 × 4,928.24
  4. Step 4: Simplify right side
    13,362.87x = 98,791,955.74
  5. Step 5: Solve for x
    x = 98,791,955.74/13,362.87
  6. Step 6: Final answer
    x = 7,393.02

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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.