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Finding the Fourth Proportional to 58,858.65, 81,224.78 and 33,017.22

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Solution

The fourth proportional to 58,858.65, 81,224.78 and 33,017.22 is: 45,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.65 : 81,224.78 = 33,017.22 : x
  2. Step 2: Convert to fraction form
    58,858.65/81,224.78 = 33,017.22/x
  3. Step 3: Cross multiply
    58,858.65x = 81,224.78 × 33,017.22
  4. Step 4: Simplify right side
    58,858.65x = 2,681,816,265.63
  5. Step 5: Solve for x
    x = 2,681,816,265.63/58,858.65
  6. Step 6: Final answer
    x = 45,563.67

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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.