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Finding the Fourth Proportional to 66,259.49, 91,415.59 and 37,575.97

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Solution

The fourth proportional to 66,259.49, 91,415.59 and 37,575.97 is: 51,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,259.49 : 91,415.59 = 37,575.97 : x
  2. Step 2: Convert to fraction form
    66,259.49/91,415.59 = 37,575.97/x
  3. Step 3: Cross multiply
    66,259.49x = 91,415.59 × 37,575.97
  4. Step 4: Simplify right side
    66,259.49x = 3,435,029,144.89
  5. Step 5: Solve for x
    x = 3,435,029,144.89/66,259.49
  6. Step 6: Final answer
    x = 51,842.07

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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.