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Finding the Fourth Proportional to 67,345.25, 92,932.25 and 37,130.90

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Solution

The fourth proportional to 67,345.25, 92,932.25 and 37,130.90 is: 51,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.25 : 92,932.25 = 37,130.90 : x
  2. Step 2: Convert to fraction form
    67,345.25/92,932.25 = 37,130.90/x
  3. Step 3: Cross multiply
    67,345.25x = 92,932.25 × 37,130.90
  4. Step 4: Simplify right side
    67,345.25x = 3,450,657,431.21
  5. Step 5: Solve for x
    x = 3,450,657,431.21/67,345.25
  6. Step 6: Final answer
    x = 51,238.32

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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.