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Finding the Fourth Proportional to 58,642.49, 87,963.80 and 14,269.24

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Solution

The fourth proportional to 58,642.49, 87,963.80 and 14,269.24 is: 21,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,642.49 : 87,963.80 = 14,269.24 : x
  2. Step 2: Convert to fraction form
    58,642.49/87,963.80 = 14,269.24/x
  3. Step 3: Cross multiply
    58,642.49x = 87,963.80 × 14,269.24
  4. Step 4: Simplify right side
    58,642.49x = 1,255,176,573.51
  5. Step 5: Solve for x
    x = 1,255,176,573.51/58,642.49
  6. Step 6: Final answer
    x = 21,403.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.