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Finding the Fourth Proportional to 29,189.81, 43,795.06 and 14,409.11

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Solution

The fourth proportional to 29,189.81, 43,795.06 and 14,409.11 is: 21,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.81 : 43,795.06 = 14,409.11 : x
  2. Step 2: Convert to fraction form
    29,189.81/43,795.06 = 14,409.11/x
  3. Step 3: Cross multiply
    29,189.81x = 43,795.06 × 14,409.11
  4. Step 4: Simplify right side
    29,189.81x = 631,047,910.46
  5. Step 5: Solve for x
    x = 631,047,910.46/29,189.81
  6. Step 6: Final answer
    x = 21,618.77

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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.