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Finding the Fourth Proportional to 65,966.40, 91,033.41 and 35,752.47

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Solution

The fourth proportional to 65,966.40, 91,033.41 and 35,752.47 is: 49,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,966.40 : 91,033.41 = 35,752.47 : x
  2. Step 2: Convert to fraction form
    65,966.40/91,033.41 = 35,752.47/x
  3. Step 3: Cross multiply
    65,966.40x = 91,033.41 × 35,752.47
  4. Step 4: Simplify right side
    65,966.40x = 3,254,669,260.02
  5. Step 5: Solve for x
    x = 3,254,669,260.02/65,966.40
  6. Step 6: Final answer
    x = 49,338.29

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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.