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Finding the Fourth Proportional to 4,663.45, 6,995.14 and 1,890.08

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Solution

The fourth proportional to 4,663.45, 6,995.14 and 1,890.08 is: 2,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,663.45 : 6,995.14 = 1,890.08 : x
  2. Step 2: Convert to fraction form
    4,663.45/6,995.14 = 1,890.08/x
  3. Step 3: Cross multiply
    4,663.45x = 6,995.14 × 1,890.08
  4. Step 4: Simplify right side
    4,663.45x = 13,221,374.21
  5. Step 5: Solve for x
    x = 13,221,374.21/4,663.45
  6. Step 6: Final answer
    x = 2,835.11

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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.