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Finding the Fourth Proportional to 4,987.66, 7,482.58 and 1,477.94

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Solution

The fourth proportional to 4,987.66, 7,482.58 and 1,477.94 is: 2,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.66 : 7,482.58 = 1,477.94 : x
  2. Step 2: Convert to fraction form
    4,987.66/7,482.58 = 1,477.94/x
  3. Step 3: Cross multiply
    4,987.66x = 7,482.58 × 1,477.94
  4. Step 4: Simplify right side
    4,987.66x = 11,058,791.89
  5. Step 5: Solve for x
    x = 11,058,791.89/4,987.66
  6. Step 6: Final answer
    x = 2,217.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.