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Finding the Fourth Proportional to 14,295.42, 21,439.89 and 4,935.06

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Solution

The fourth proportional to 14,295.42, 21,439.89 and 4,935.06 is: 7,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.42 : 21,439.89 = 4,935.06 : x
  2. Step 2: Convert to fraction form
    14,295.42/21,439.89 = 4,935.06/x
  3. Step 3: Cross multiply
    14,295.42x = 21,439.89 × 4,935.06
  4. Step 4: Simplify right side
    14,295.42x = 105,807,143.54
  5. Step 5: Solve for x
    x = 105,807,143.54/14,295.42
  6. Step 6: Final answer
    x = 7,401.47

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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.