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Finding the Fourth Proportional to 8,985.03, 13,478.47 and 3,443.01

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Solution

The fourth proportional to 8,985.03, 13,478.47 and 3,443.01 is: 5,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.03 : 13,478.47 = 3,443.01 : x
  2. Step 2: Convert to fraction form
    8,985.03/13,478.47 = 3,443.01/x
  3. Step 3: Cross multiply
    8,985.03x = 13,478.47 × 3,443.01
  4. Step 4: Simplify right side
    8,985.03x = 46,406,447.84
  5. Step 5: Solve for x
    x = 46,406,447.84/8,985.03
  6. Step 6: Final answer
    x = 5,164.87

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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.