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Finding the Fourth Proportional to 14,472.94, 19,969.42 and 8,810.62

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Solution

The fourth proportional to 14,472.94, 19,969.42 and 8,810.62 is: 12,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.94 : 19,969.42 = 8,810.62 : x
  2. Step 2: Convert to fraction form
    14,472.94/19,969.42 = 8,810.62/x
  3. Step 3: Cross multiply
    14,472.94x = 19,969.42 × 8,810.62
  4. Step 4: Simplify right side
    14,472.94x = 175,942,971.24
  5. Step 5: Solve for x
    x = 175,942,971.24/14,472.94
  6. Step 6: Final answer
    x = 12,156.68

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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.