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Finding the Fourth Proportional to 66,051.90, 91,008.72 and 44,794.26

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Solution

The fourth proportional to 66,051.90, 91,008.72 and 44,794.26 is: 61,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051.90 : 91,008.72 = 44,794.26 : x
  2. Step 2: Convert to fraction form
    66,051.90/91,008.72 = 44,794.26/x
  3. Step 3: Cross multiply
    66,051.90x = 91,008.72 × 44,794.26
  4. Step 4: Simplify right side
    66,051.90x = 4,076,668,265.95
  5. Step 5: Solve for x
    x = 4,076,668,265.95/66,051.90
  6. Step 6: Final answer
    x = 61,719.17

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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.