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Finding the Fourth Proportional to 14,365.27, 19,824.54 and 8,701.07

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Solution

The fourth proportional to 14,365.27, 19,824.54 and 8,701.07 is: 12,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.27 : 19,824.54 = 8,701.07 : x
  2. Step 2: Convert to fraction form
    14,365.27/19,824.54 = 8,701.07/x
  3. Step 3: Cross multiply
    14,365.27x = 19,824.54 × 8,701.07
  4. Step 4: Simplify right side
    14,365.27x = 172,494,710.26
  5. Step 5: Solve for x
    x = 172,494,710.26/14,365.27
  6. Step 6: Final answer
    x = 12,007.76

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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.