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Finding the Fourth Proportional to 44,402.99, 66,605.00 and 12,813.66

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Solution

The fourth proportional to 44,402.99, 66,605.00 and 12,813.66 is: 19,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,402.99 : 66,605.00 = 12,813.66 : x
  2. Step 2: Convert to fraction form
    44,402.99/66,605.00 = 12,813.66/x
  3. Step 3: Cross multiply
    44,402.99x = 66,605.00 × 12,813.66
  4. Step 4: Simplify right side
    44,402.99x = 853,453,760.23
  5. Step 5: Solve for x
    x = 853,453,760.23/44,402.99
  6. Step 6: Final answer
    x = 19,220.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.