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Finding the Fourth Proportional to 61,804.80, 92,743.65 and 40,805.55

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Solution

The fourth proportional to 61,804.80, 92,743.65 and 40,805.55 is: 61,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.80 : 92,743.65 = 40,805.55 : x
  2. Step 2: Convert to fraction form
    61,804.80/92,743.65 = 40,805.55/x
  3. Step 3: Cross multiply
    61,804.80x = 92,743.65 × 40,805.55
  4. Step 4: Simplify right side
    61,804.80x = 3,784,455,647.26
  5. Step 5: Solve for x
    x = 3,784,455,647.26/61,804.80
  6. Step 6: Final answer
    x = 61,232.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.