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Finding the Fourth Proportional to 67,480.82, 92,448.29 and 64,957.53

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Solution

The fourth proportional to 67,480.82, 92,448.29 and 64,957.53 is: 88,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.82 : 92,448.29 = 64,957.53 : x
  2. Step 2: Convert to fraction form
    67,480.82/92,448.29 = 64,957.53/x
  3. Step 3: Cross multiply
    67,480.82x = 92,448.29 × 64,957.53
  4. Step 4: Simplify right side
    67,480.82x = 6,005,212,571.12
  5. Step 5: Solve for x
    x = 6,005,212,571.12/67,480.82
  6. Step 6: Final answer
    x = 88,991.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.