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Finding the Fourth Proportional to 44,357, 66,580.68 and 22,186.40

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Solution

The fourth proportional to 44,357, 66,580.68 and 22,186.40 is: 33,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,357 : 66,580.68 = 22,186.40 : x
  2. Step 2: Convert to fraction form
    44,357/66,580.68 = 22,186.40/x
  3. Step 3: Cross multiply
    44,357x = 66,580.68 × 22,186.40
  4. Step 4: Simplify right side
    44,357x = 1,477,185,598.75
  5. Step 5: Solve for x
    x = 1,477,185,598.75/44,357
  6. Step 6: Final answer
    x = 33,302.20

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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.