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Finding the Fourth Proportional to 17,898.66, 26,848.26 and 4,752.90

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Solution

The fourth proportional to 17,898.66, 26,848.26 and 4,752.90 is: 7,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.66 : 26,848.26 = 4,752.90 : x
  2. Step 2: Convert to fraction form
    17,898.66/26,848.26 = 4,752.90/x
  3. Step 3: Cross multiply
    17,898.66x = 26,848.26 × 4,752.90
  4. Step 4: Simplify right side
    17,898.66x = 127,607,094.95
  5. Step 5: Solve for x
    x = 127,607,094.95/17,898.66
  6. Step 6: Final answer
    x = 7,129.42

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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.