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Finding the Fourth Proportional to 8,802.76, 13,210.08 and 3,873.88

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Solution

The fourth proportional to 8,802.76, 13,210.08 and 3,873.88 is: 5,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.76 : 13,210.08 = 3,873.88 : x
  2. Step 2: Convert to fraction form
    8,802.76/13,210.08 = 3,873.88/x
  3. Step 3: Cross multiply
    8,802.76x = 13,210.08 × 3,873.88
  4. Step 4: Simplify right side
    8,802.76x = 51,174,264.71
  5. Step 5: Solve for x
    x = 51,174,264.71/8,802.76
  6. Step 6: Final answer
    x = 5,813.43

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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.