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Finding the Fourth Proportional to 5,173.02, 7,759.80 and 1,886.01

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Solution

The fourth proportional to 5,173.02, 7,759.80 and 1,886.01 is: 2,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.02 : 7,759.80 = 1,886.01 : x
  2. Step 2: Convert to fraction form
    5,173.02/7,759.80 = 1,886.01/x
  3. Step 3: Cross multiply
    5,173.02x = 7,759.80 × 1,886.01
  4. Step 4: Simplify right side
    5,173.02x = 14,635,060.40
  5. Step 5: Solve for x
    x = 14,635,060.40/5,173.02
  6. Step 6: Final answer
    x = 2,829.11

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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.