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Finding the Fourth Proportional to 58,854.64, 81,212.34 and 33,364

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Solution

The fourth proportional to 58,854.64, 81,212.34 and 33,364 is: 46,038.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.64 : 81,212.34 = 33,364 : x
  2. Step 2: Convert to fraction form
    58,854.64/81,212.34 = 33,364/x
  3. Step 3: Cross multiply
    58,854.64x = 81,212.34 × 33,364
  4. Step 4: Simplify right side
    58,854.64x = 2,709,568,511.76
  5. Step 5: Solve for x
    x = 2,709,568,511.76/58,854.64
  6. Step 6: Final answer
    x = 46,038.32

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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.