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Finding the Fourth Proportional to 68,087.95, 93,967.04 and 37,878.96

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Solution

The fourth proportional to 68,087.95, 93,967.04 and 37,878.96 is: 52,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.95 : 93,967.04 = 37,878.96 : x
  2. Step 2: Convert to fraction form
    68,087.95/93,967.04 = 37,878.96/x
  3. Step 3: Cross multiply
    68,087.95x = 93,967.04 × 37,878.96
  4. Step 4: Simplify right side
    68,087.95x = 3,559,373,844.18
  5. Step 5: Solve for x
    x = 3,559,373,844.18/68,087.95
  6. Step 6: Final answer
    x = 52,276.12

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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.