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Finding the Fourth Proportional to 16,893, 25,215.80 and 14,897.93

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Solution

The fourth proportional to 16,893, 25,215.80 and 14,897.93 is: 22,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893 : 25,215.80 = 14,897.93 : x
  2. Step 2: Convert to fraction form
    16,893/25,215.80 = 14,897.93/x
  3. Step 3: Cross multiply
    16,893x = 25,215.80 × 14,897.93
  4. Step 4: Simplify right side
    16,893x = 375,663,223.29
  5. Step 5: Solve for x
    x = 375,663,223.29/16,893
  6. Step 6: Final answer
    x = 22,237.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.