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Finding the Fourth Proportional to 14,666.59, 20,239.91 and 7,952.23

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Solution

The fourth proportional to 14,666.59, 20,239.91 and 7,952.23 is: 10,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.59 : 20,239.91 = 7,952.23 : x
  2. Step 2: Convert to fraction form
    14,666.59/20,239.91 = 7,952.23/x
  3. Step 3: Cross multiply
    14,666.59x = 20,239.91 × 7,952.23
  4. Step 4: Simplify right side
    14,666.59x = 160,952,419.50
  5. Step 5: Solve for x
    x = 160,952,419.50/14,666.59
  6. Step 6: Final answer
    x = 10,974.09

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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.