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Finding the Fourth Proportional to 66,878.76, 92,294.40 and 37,804.79

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Solution

The fourth proportional to 66,878.76, 92,294.40 and 37,804.79 is: 52,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,878.76 : 92,294.40 = 37,804.79 : x
  2. Step 2: Convert to fraction form
    66,878.76/92,294.40 = 37,804.79/x
  3. Step 3: Cross multiply
    66,878.76x = 92,294.40 × 37,804.79
  4. Step 4: Simplify right side
    66,878.76x = 3,489,169,948.70
  5. Step 5: Solve for x
    x = 3,489,169,948.70/66,878.76
  6. Step 6: Final answer
    x = 52,171.57

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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.