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Finding the Fourth Proportional to 65,804.08, 90,806.52 and 37,508.44

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Solution

The fourth proportional to 65,804.08, 90,806.52 and 37,508.44 is: 51,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,804.08 : 90,806.52 = 37,508.44 : x
  2. Step 2: Convert to fraction form
    65,804.08/90,806.52 = 37,508.44/x
  3. Step 3: Cross multiply
    65,804.08x = 90,806.52 × 37,508.44
  4. Step 4: Simplify right side
    65,804.08x = 3,406,010,907.03
  5. Step 5: Solve for x
    x = 3,406,010,907.03/65,804.08
  6. Step 6: Final answer
    x = 51,759.87

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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.