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Finding the Fourth Proportional to 54,810.71, 75,645.16 and 45,595.99

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Solution

The fourth proportional to 54,810.71, 75,645.16 and 45,595.99 is: 62,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.71 : 75,645.16 = 45,595.99 : x
  2. Step 2: Convert to fraction form
    54,810.71/75,645.16 = 45,595.99/x
  3. Step 3: Cross multiply
    54,810.71x = 75,645.16 × 45,595.99
  4. Step 4: Simplify right side
    54,810.71x = 3,449,115,958.91
  5. Step 5: Solve for x
    x = 3,449,115,958.91/54,810.71
  6. Step 6: Final answer
    x = 62,927.77

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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.