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Finding the Fourth Proportional to 24,590, 33,934.92 and 13,412.72

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Solution

The fourth proportional to 24,590, 33,934.92 and 13,412.72 is: 18,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,590 : 33,934.92 = 13,412.72 : x
  2. Step 2: Convert to fraction form
    24,590/33,934.92 = 13,412.72/x
  3. Step 3: Cross multiply
    24,590x = 33,934.92 × 13,412.72
  4. Step 4: Simplify right side
    24,590x = 455,159,580.18
  5. Step 5: Solve for x
    x = 455,159,580.18/24,590
  6. Step 6: Final answer
    x = 18,509.95

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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.