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Finding the Fourth Proportional to 14,945.80, 22,400.70 and 8,693.80

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Solution

The fourth proportional to 14,945.80, 22,400.70 and 8,693.80 is: 13,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.80 : 22,400.70 = 8,693.80 : x
  2. Step 2: Convert to fraction form
    14,945.80/22,400.70 = 8,693.80/x
  3. Step 3: Cross multiply
    14,945.80x = 22,400.70 × 8,693.80
  4. Step 4: Simplify right side
    14,945.80x = 194,747,205.66
  5. Step 5: Solve for x
    x = 194,747,205.66/14,945.80
  6. Step 6: Final answer
    x = 13,030.23

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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.