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Finding the Fourth Proportional to 68,149.62, 94,056.53 and 40,927.55

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Solution

The fourth proportional to 68,149.62, 94,056.53 and 40,927.55 is: 56,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149.62 : 94,056.53 = 40,927.55 : x
  2. Step 2: Convert to fraction form
    68,149.62/94,056.53 = 40,927.55/x
  3. Step 3: Cross multiply
    68,149.62x = 94,056.53 × 40,927.55
  4. Step 4: Simplify right side
    68,149.62x = 3,849,502,659.48
  5. Step 5: Solve for x
    x = 3,849,502,659.48/68,149.62
  6. Step 6: Final answer
    x = 56,486.05

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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.