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Finding the Fourth Proportional to 56,487.51, 77,955.04 and 33,821.99

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Solution

The fourth proportional to 56,487.51, 77,955.04 and 33,821.99 is: 46,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.51 : 77,955.04 = 33,821.99 : x
  2. Step 2: Convert to fraction form
    56,487.51/77,955.04 = 33,821.99/x
  3. Step 3: Cross multiply
    56,487.51x = 77,955.04 × 33,821.99
  4. Step 4: Simplify right side
    56,487.51x = 2,636,594,528.16
  5. Step 5: Solve for x
    x = 2,636,594,528.16/56,487.51
  6. Step 6: Final answer
    x = 46,675.71

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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.