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Finding the Fourth Proportional to 5,602.66, 8,395.76 and 4,987.60

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Solution

The fourth proportional to 5,602.66, 8,395.76 and 4,987.60 is: 7,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.66 : 8,395.76 = 4,987.60 : x
  2. Step 2: Convert to fraction form
    5,602.66/8,395.76 = 4,987.60/x
  3. Step 3: Cross multiply
    5,602.66x = 8,395.76 × 4,987.60
  4. Step 4: Simplify right side
    5,602.66x = 41,874,692.58
  5. Step 5: Solve for x
    x = 41,874,692.58/5,602.66
  6. Step 6: Final answer
    x = 7,474.07

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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.