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Finding the Fourth Proportional to 8,762.51, 13,145.81 and 2,522.36

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Solution

The fourth proportional to 8,762.51, 13,145.81 and 2,522.36 is: 3,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.51 : 13,145.81 = 2,522.36 : x
  2. Step 2: Convert to fraction form
    8,762.51/13,145.81 = 2,522.36/x
  3. Step 3: Cross multiply
    8,762.51x = 13,145.81 × 2,522.36
  4. Step 4: Simplify right side
    8,762.51x = 33,158,465.31
  5. Step 5: Solve for x
    x = 33,158,465.31/8,762.51
  6. Step 6: Final answer
    x = 3,784.13

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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.