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Finding the Fourth Proportional to 66,033.30, 91,130.48 and 37,352.99

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Solution

The fourth proportional to 66,033.30, 91,130.48 and 37,352.99 is: 51,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.30 : 91,130.48 = 37,352.99 : x
  2. Step 2: Convert to fraction form
    66,033.30/91,130.48 = 37,352.99/x
  3. Step 3: Cross multiply
    66,033.30x = 91,130.48 × 37,352.99
  4. Step 4: Simplify right side
    66,033.30x = 3,403,995,265.72
  5. Step 5: Solve for x
    x = 3,403,995,265.72/66,033.30
  6. Step 6: Final answer
    x = 51,549.68

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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.