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Finding the Fourth Proportional to 66,262.52, 91,444.68 and 37,973.68

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Solution

The fourth proportional to 66,262.52, 91,444.68 and 37,973.68 is: 52,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,262.52 : 91,444.68 = 37,973.68 : x
  2. Step 2: Convert to fraction form
    66,262.52/91,444.68 = 37,973.68/x
  3. Step 3: Cross multiply
    66,262.52x = 91,444.68 × 37,973.68
  4. Step 4: Simplify right side
    66,262.52x = 3,472,491,016.02
  5. Step 5: Solve for x
    x = 3,472,491,016.02/66,262.52
  6. Step 6: Final answer
    x = 52,405.06

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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.