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Finding the Fourth Proportional to 65,955.40, 91,022.92 and 37,265.12

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Solution

The fourth proportional to 65,955.40, 91,022.92 and 37,265.12 is: 51,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,955.40 : 91,022.92 = 37,265.12 : x
  2. Step 2: Convert to fraction form
    65,955.40/91,022.92 = 37,265.12/x
  3. Step 3: Cross multiply
    65,955.40x = 91,022.92 × 37,265.12
  4. Step 4: Simplify right side
    65,955.40x = 3,391,980,036.55
  5. Step 5: Solve for x
    x = 3,391,980,036.55/65,955.40
  6. Step 6: Final answer
    x = 51,428.39

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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.