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Finding the Fourth Proportional to 53,322.66, 73,581.78 and 29,447.88

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Solution

The fourth proportional to 53,322.66, 73,581.78 and 29,447.88 is: 40,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.66 : 73,581.78 = 29,447.88 : x
  2. Step 2: Convert to fraction form
    53,322.66/73,581.78 = 29,447.88/x
  3. Step 3: Cross multiply
    53,322.66x = 73,581.78 × 29,447.88
  4. Step 4: Simplify right side
    53,322.66x = 2,166,827,427.63
  5. Step 5: Solve for x
    x = 2,166,827,427.63/53,322.66
  6. Step 6: Final answer
    x = 40,636.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.