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Finding the Fourth Proportional to 56,482.99, 77,940.73 and 33,821.43

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Solution

The fourth proportional to 56,482.99, 77,940.73 and 33,821.43 is: 46,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.99 : 77,940.73 = 33,821.43 : x
  2. Step 2: Convert to fraction form
    56,482.99/77,940.73 = 33,821.43/x
  3. Step 3: Cross multiply
    56,482.99x = 77,940.73 × 33,821.43
  4. Step 4: Simplify right side
    56,482.99x = 2,636,066,943.84
  5. Step 5: Solve for x
    x = 2,636,066,943.84/56,482.99
  6. Step 6: Final answer
    x = 46,670.10

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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.