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Finding the Fourth Proportional to 9,503.88, 14,258.28 and 2,929.92

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Solution

The fourth proportional to 9,503.88, 14,258.28 and 2,929.92 is: 4,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,503.88 : 14,258.28 = 2,929.92 : x
  2. Step 2: Convert to fraction form
    9,503.88/14,258.28 = 2,929.92/x
  3. Step 3: Cross multiply
    9,503.88x = 14,258.28 × 2,929.92
  4. Step 4: Simplify right side
    9,503.88x = 41,775,619.74
  5. Step 5: Solve for x
    x = 41,775,619.74/9,503.88
  6. Step 6: Final answer
    x = 4,395.64

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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.