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Finding the Fourth Proportional to 14,874.79, 22,281.81 and 8,304.48

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Solution

The fourth proportional to 14,874.79, 22,281.81 and 8,304.48 is: 12,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.79 : 22,281.81 = 8,304.48 : x
  2. Step 2: Convert to fraction form
    14,874.79/22,281.81 = 8,304.48/x
  3. Step 3: Cross multiply
    14,874.79x = 22,281.81 × 8,304.48
  4. Step 4: Simplify right side
    14,874.79x = 185,038,845.51
  5. Step 5: Solve for x
    x = 185,038,845.51/14,874.79
  6. Step 6: Final answer
    x = 12,439.76

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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.