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Finding the Fourth Proportional to 15,068.64, 22,602.81 and 8,871.75

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Solution

The fourth proportional to 15,068.64, 22,602.81 and 8,871.75 is: 13,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.64 : 22,602.81 = 8,871.75 : x
  2. Step 2: Convert to fraction form
    15,068.64/22,602.81 = 8,871.75/x
  3. Step 3: Cross multiply
    15,068.64x = 22,602.81 × 8,871.75
  4. Step 4: Simplify right side
    15,068.64x = 200,526,479.62
  5. Step 5: Solve for x
    x = 200,526,479.62/15,068.64
  6. Step 6: Final answer
    x = 13,307.54

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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.