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Finding the Fourth Proportional to 8,977.72, 13,464.08 and 5,368.95

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Solution

The fourth proportional to 8,977.72, 13,464.08 and 5,368.95 is: 8,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.72 : 13,464.08 = 5,368.95 : x
  2. Step 2: Convert to fraction form
    8,977.72/13,464.08 = 5,368.95/x
  3. Step 3: Cross multiply
    8,977.72x = 13,464.08 × 5,368.95
  4. Step 4: Simplify right side
    8,977.72x = 72,287,972.32
  5. Step 5: Solve for x
    x = 72,287,972.32/8,977.72
  6. Step 6: Final answer
    x = 8,051.93

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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.