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Finding the Fourth Proportional to 55,873.55, 77,123.52 and 35,784.51

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Solution

The fourth proportional to 55,873.55, 77,123.52 and 35,784.51 is: 49,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,873.55 : 77,123.52 = 35,784.51 : x
  2. Step 2: Convert to fraction form
    55,873.55/77,123.52 = 35,784.51/x
  3. Step 3: Cross multiply
    55,873.55x = 77,123.52 × 35,784.51
  4. Step 4: Simplify right side
    55,873.55x = 2,759,827,372.68
  5. Step 5: Solve for x
    x = 2,759,827,372.68/55,873.55
  6. Step 6: Final answer
    x = 49,394.17

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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.