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Finding the Fourth Proportional to 16,253.75, 22,430.18 and 8,801.75

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Solution

The fourth proportional to 16,253.75, 22,430.18 and 8,801.75 is: 12,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.75 : 22,430.18 = 8,801.75 : x
  2. Step 2: Convert to fraction form
    16,253.75/22,430.18 = 8,801.75/x
  3. Step 3: Cross multiply
    16,253.75x = 22,430.18 × 8,801.75
  4. Step 4: Simplify right side
    16,253.75x = 197,424,792.81
  5. Step 5: Solve for x
    x = 197,424,792.81/16,253.75
  6. Step 6: Final answer
    x = 12,146.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.