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Finding the Fourth Proportional to 58,412.63, 80,609.43 and 33,266.99

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Solution

The fourth proportional to 58,412.63, 80,609.43 and 33,266.99 is: 45,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,412.63 : 80,609.43 = 33,266.99 : x
  2. Step 2: Convert to fraction form
    58,412.63/80,609.43 = 33,266.99/x
  3. Step 3: Cross multiply
    58,412.63x = 80,609.43 × 33,266.99
  4. Step 4: Simplify right side
    58,412.63x = 2,681,632,698.67
  5. Step 5: Solve for x
    x = 2,681,632,698.67/58,412.63
  6. Step 6: Final answer
    x = 45,908.44

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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.