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Finding the Fourth Proportional to 65,829.06, 90,846.44 and 37,155.71

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Solution

The fourth proportional to 65,829.06, 90,846.44 and 37,155.71 is: 51,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,829.06 : 90,846.44 = 37,155.71 : x
  2. Step 2: Convert to fraction form
    65,829.06/90,846.44 = 37,155.71/x
  3. Step 3: Cross multiply
    65,829.06x = 90,846.44 × 37,155.71
  4. Step 4: Simplify right side
    65,829.06x = 3,375,463,617.83
  5. Step 5: Solve for x
    x = 3,375,463,617.83/65,829.06
  6. Step 6: Final answer
    x = 51,276.19

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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.