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Finding the Fourth Proportional to 67,926.04, 93,716.88 and 39,611.68

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Solution

The fourth proportional to 67,926.04, 93,716.88 and 39,611.68 is: 54,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,926.04 : 93,716.88 = 39,611.68 : x
  2. Step 2: Convert to fraction form
    67,926.04/93,716.88 = 39,611.68/x
  3. Step 3: Cross multiply
    67,926.04x = 93,716.88 × 39,611.68
  4. Step 4: Simplify right side
    67,926.04x = 3,712,283,061.16
  5. Step 5: Solve for x
    x = 3,712,283,061.16/67,926.04
  6. Step 6: Final answer
    x = 54,651.84

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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.