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Finding the Fourth Proportional to 58,708, 80,963.58 and 49,652.33

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Solution

The fourth proportional to 58,708, 80,963.58 and 49,652.33 is: 68,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708 : 80,963.58 = 49,652.33 : x
  2. Step 2: Convert to fraction form
    58,708/80,963.58 = 49,652.33/x
  3. Step 3: Cross multiply
    58,708x = 80,963.58 × 49,652.33
  4. Step 4: Simplify right side
    58,708x = 4,020,030,392.14
  5. Step 5: Solve for x
    x = 4,020,030,392.14/58,708
  6. Step 6: Final answer
    x = 68,475.00

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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.