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Finding the Fourth Proportional to 8,871.93, 13,308.50 and 3,032.64

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Solution

The fourth proportional to 8,871.93, 13,308.50 and 3,032.64 is: 4,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.93 : 13,308.50 = 3,032.64 : x
  2. Step 2: Convert to fraction form
    8,871.93/13,308.50 = 3,032.64/x
  3. Step 3: Cross multiply
    8,871.93x = 13,308.50 × 3,032.64
  4. Step 4: Simplify right side
    8,871.93x = 40,359,897.02
  5. Step 5: Solve for x
    x = 40,359,897.02/8,871.93
  6. Step 6: Final answer
    x = 4,549.17

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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.