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Finding the Fourth Proportional to 68,603.68, 94,669.86 and 38,392.84

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Solution

The fourth proportional to 68,603.68, 94,669.86 and 38,392.84 is: 52,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,603.68 : 94,669.86 = 38,392.84 : x
  2. Step 2: Convert to fraction form
    68,603.68/94,669.86 = 38,392.84/x
  3. Step 3: Cross multiply
    68,603.68x = 94,669.86 × 38,392.84
  4. Step 4: Simplify right side
    68,603.68x = 3,634,644,787.80
  5. Step 5: Solve for x
    x = 3,634,644,787.80/68,603.68
  6. Step 6: Final answer
    x = 52,980.32

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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.