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Finding the Fourth Proportional to 66,000.74, 91,080.46 and 37,326.03

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Solution

The fourth proportional to 66,000.74, 91,080.46 and 37,326.03 is: 51,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.74 : 91,080.46 = 37,326.03 : x
  2. Step 2: Convert to fraction form
    66,000.74/91,080.46 = 37,326.03/x
  3. Step 3: Cross multiply
    66,000.74x = 91,080.46 × 37,326.03
  4. Step 4: Simplify right side
    66,000.74x = 3,399,671,982.37
  5. Step 5: Solve for x
    x = 3,399,671,982.37/66,000.74
  6. Step 6: Final answer
    x = 51,509.60

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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.