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Finding the Fourth Proportional to 51,504.60, 77,111.10 and 46,255.80

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Solution

The fourth proportional to 51,504.60, 77,111.10 and 46,255.80 is: 69,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.60 : 77,111.10 = 46,255.80 : x
  2. Step 2: Convert to fraction form
    51,504.60/77,111.10 = 46,255.80/x
  3. Step 3: Cross multiply
    51,504.60x = 77,111.10 × 46,255.80
  4. Step 4: Simplify right side
    51,504.60x = 3,566,835,619.38
  5. Step 5: Solve for x
    x = 3,566,835,619.38/51,504.60
  6. Step 6: Final answer
    x = 69,252.76

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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.