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Finding the Fourth Proportional to 44,308, 66,424.74 and 18,031.60

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Solution

The fourth proportional to 44,308, 66,424.74 and 18,031.60 is: 27,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,308 : 66,424.74 = 18,031.60 : x
  2. Step 2: Convert to fraction form
    44,308/66,424.74 = 18,031.60/x
  3. Step 3: Cross multiply
    44,308x = 66,424.74 × 18,031.60
  4. Step 4: Simplify right side
    44,308x = 1,197,744,341.78
  5. Step 5: Solve for x
    x = 1,197,744,341.78/44,308
  6. Step 6: Final answer
    x = 27,032.24

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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.