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Finding the Fourth Proportional to 8,852.88, 13,281.28 and 2,929.52

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Solution

The fourth proportional to 8,852.88, 13,281.28 and 2,929.52 is: 4,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.88 : 13,281.28 = 2,929.52 : x
  2. Step 2: Convert to fraction form
    8,852.88/13,281.28 = 2,929.52/x
  3. Step 3: Cross multiply
    8,852.88x = 13,281.28 × 2,929.52
  4. Step 4: Simplify right side
    8,852.88x = 38,907,775.39
  5. Step 5: Solve for x
    x = 38,907,775.39/8,852.88
  6. Step 6: Final answer
    x = 4,394.93

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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.