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Finding the Fourth Proportional to 44,270, 66,418.01 and 13,106.06

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Solution

The fourth proportional to 44,270, 66,418.01 and 13,106.06 is: 19,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,270 : 66,418.01 = 13,106.06 : x
  2. Step 2: Convert to fraction form
    44,270/66,418.01 = 13,106.06/x
  3. Step 3: Cross multiply
    44,270x = 66,418.01 × 13,106.06
  4. Step 4: Simplify right side
    44,270x = 870,478,358.61
  5. Step 5: Solve for x
    x = 870,478,358.61/44,270
  6. Step 6: Final answer
    x = 19,662.94

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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.