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Finding the Fourth Proportional to 44,656.19, 66,980.17 and 15,074.28

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Solution

The fourth proportional to 44,656.19, 66,980.17 and 15,074.28 is: 22,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,656.19 : 66,980.17 = 15,074.28 : x
  2. Step 2: Convert to fraction form
    44,656.19/66,980.17 = 15,074.28/x
  3. Step 3: Cross multiply
    44,656.19x = 66,980.17 × 15,074.28
  4. Step 4: Simplify right side
    44,656.19x = 1,009,677,582.70
  5. Step 5: Solve for x
    x = 1,009,677,582.70/44,656.19
  6. Step 6: Final answer
    x = 22,610.03

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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.