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Finding the Fourth Proportional to 66,066.98, 91,146.48 and 37,757.48

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Solution

The fourth proportional to 66,066.98, 91,146.48 and 37,757.48 is: 52,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.98 : 91,146.48 = 37,757.48 : x
  2. Step 2: Convert to fraction form
    66,066.98/91,146.48 = 37,757.48/x
  3. Step 3: Cross multiply
    66,066.98x = 91,146.48 × 37,757.48
  4. Step 4: Simplify right side
    66,066.98x = 3,441,461,395.67
  5. Step 5: Solve for x
    x = 3,441,461,395.67/66,066.98
  6. Step 6: Final answer
    x = 52,090.49

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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.