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Finding the Fourth Proportional to 65,860.44, 90,878.94 and 37,564.44

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Solution

The fourth proportional to 65,860.44, 90,878.94 and 37,564.44 is: 51,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,860.44 : 90,878.94 = 37,564.44 : x
  2. Step 2: Convert to fraction form
    65,860.44/90,878.94 = 37,564.44/x
  3. Step 3: Cross multiply
    65,860.44x = 90,878.94 × 37,564.44
  4. Step 4: Simplify right side
    65,860.44x = 3,413,816,488.89
  5. Step 5: Solve for x
    x = 3,413,816,488.89/65,860.44
  6. Step 6: Final answer
    x = 51,834.10

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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.