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Finding the Fourth Proportional to 68,561.37, 94,619.49 and 38,349.51

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Solution

The fourth proportional to 68,561.37, 94,619.49 and 38,349.51 is: 52,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,561.37 : 94,619.49 = 38,349.51 : x
  2. Step 2: Convert to fraction form
    68,561.37/94,619.49 = 38,349.51/x
  3. Step 3: Cross multiply
    68,561.37x = 94,619.49 × 38,349.51
  4. Step 4: Simplify right side
    68,561.37x = 3,628,611,077.95
  5. Step 5: Solve for x
    x = 3,628,611,077.95/68,561.37
  6. Step 6: Final answer
    x = 52,925.01

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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.