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Finding the Fourth Proportional to 22,969.53, 31,700.89 and 14,015.13

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Solution

The fourth proportional to 22,969.53, 31,700.89 and 14,015.13 is: 19,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.53 : 31,700.89 = 14,015.13 : x
  2. Step 2: Convert to fraction form
    22,969.53/31,700.89 = 14,015.13/x
  3. Step 3: Cross multiply
    22,969.53x = 31,700.89 × 14,015.13
  4. Step 4: Simplify right side
    22,969.53x = 444,292,092.59
  5. Step 5: Solve for x
    x = 444,292,092.59/22,969.53
  6. Step 6: Final answer
    x = 19,342.67

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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.