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Finding the Fourth Proportional to 69,662.88, 96,135.48 and 37,832.40

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Solution

The fourth proportional to 69,662.88, 96,135.48 and 37,832.40 is: 52,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.88 : 96,135.48 = 37,832.40 : x
  2. Step 2: Convert to fraction form
    69,662.88/96,135.48 = 37,832.40/x
  3. Step 3: Cross multiply
    69,662.88x = 96,135.48 × 37,832.40
  4. Step 4: Simplify right side
    69,662.88x = 3,637,035,933.55
  5. Step 5: Solve for x
    x = 3,637,035,933.55/69,662.88
  6. Step 6: Final answer
    x = 52,209.10

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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.