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Finding the Fourth Proportional to 58,922, 81,312.36 and 33,786.08

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Solution

The fourth proportional to 58,922, 81,312.36 and 33,786.08 is: 46,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,922 : 81,312.36 = 33,786.08 : x
  2. Step 2: Convert to fraction form
    58,922/81,312.36 = 33,786.08/x
  3. Step 3: Cross multiply
    58,922x = 81,312.36 × 33,786.08
  4. Step 4: Simplify right side
    58,922x = 2,747,225,899.95
  5. Step 5: Solve for x
    x = 2,747,225,899.95/58,922
  6. Step 6: Final answer
    x = 46,624.79

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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.