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Finding the Fourth Proportional to 44,434, 66,653.43 and 13,271.68

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Solution

The fourth proportional to 44,434, 66,653.43 and 13,271.68 is: 19,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,434 : 66,653.43 = 13,271.68 : x
  2. Step 2: Convert to fraction form
    44,434/66,653.43 = 13,271.68/x
  3. Step 3: Cross multiply
    44,434x = 66,653.43 × 13,271.68
  4. Step 4: Simplify right side
    44,434x = 884,602,993.86
  5. Step 5: Solve for x
    x = 884,602,993.86/44,434
  6. Step 6: Final answer
    x = 19,908.25

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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.