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Finding the Fourth Proportional to 14,283.61, 19,709.53 and 7,995.99

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Solution

The fourth proportional to 14,283.61, 19,709.53 and 7,995.99 is: 11,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.61 : 19,709.53 = 7,995.99 : x
  2. Step 2: Convert to fraction form
    14,283.61/19,709.53 = 7,995.99/x
  3. Step 3: Cross multiply
    14,283.61x = 19,709.53 × 7,995.99
  4. Step 4: Simplify right side
    14,283.61x = 157,597,204.78
  5. Step 5: Solve for x
    x = 157,597,204.78/14,283.61
  6. Step 6: Final answer
    x = 11,033.43

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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.