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Finding the Fourth Proportional to 5,070.90, 7,606.08 and 1,607.88

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Solution

The fourth proportional to 5,070.90, 7,606.08 and 1,607.88 is: 2,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.90 : 7,606.08 = 1,607.88 : x
  2. Step 2: Convert to fraction form
    5,070.90/7,606.08 = 1,607.88/x
  3. Step 3: Cross multiply
    5,070.90x = 7,606.08 × 1,607.88
  4. Step 4: Simplify right side
    5,070.90x = 12,229,663.91
  5. Step 5: Solve for x
    x = 12,229,663.91/5,070.90
  6. Step 6: Final answer
    x = 2,411.73

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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.