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Finding the Fourth Proportional to 4,985.01, 7,468.74 and 4,442.03

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Solution

The fourth proportional to 4,985.01, 7,468.74 and 4,442.03 is: 6,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.01 : 7,468.74 = 4,442.03 : x
  2. Step 2: Convert to fraction form
    4,985.01/7,468.74 = 4,442.03/x
  3. Step 3: Cross multiply
    4,985.01x = 7,468.74 × 4,442.03
  4. Step 4: Simplify right side
    4,985.01x = 33,176,329.80
  5. Step 5: Solve for x
    x = 33,176,329.80/4,985.01
  6. Step 6: Final answer
    x = 6,655.22

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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.