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Finding the Fourth Proportional to 65,462.87, 90,339.40 and 37,169.19

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Solution

The fourth proportional to 65,462.87, 90,339.40 and 37,169.19 is: 51,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,462.87 : 90,339.40 = 37,169.19 : x
  2. Step 2: Convert to fraction form
    65,462.87/90,339.40 = 37,169.19/x
  3. Step 3: Cross multiply
    65,462.87x = 90,339.40 × 37,169.19
  4. Step 4: Simplify right side
    65,462.87x = 3,357,842,137.24
  5. Step 5: Solve for x
    x = 3,357,842,137.24/65,462.87
  6. Step 6: Final answer
    x = 51,293.84

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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.