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Finding the Fourth Proportional to 8,701.56, 13,053.42 and 4,317.84

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Solution

The fourth proportional to 8,701.56, 13,053.42 and 4,317.84 is: 6,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.56 : 13,053.42 = 4,317.84 : x
  2. Step 2: Convert to fraction form
    8,701.56/13,053.42 = 4,317.84/x
  3. Step 3: Cross multiply
    8,701.56x = 13,053.42 × 4,317.84
  4. Step 4: Simplify right side
    8,701.56x = 56,362,579.01
  5. Step 5: Solve for x
    x = 56,362,579.01/8,701.56
  6. Step 6: Final answer
    x = 6,477.30

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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.