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Finding the Fourth Proportional to 14,007.58, 20,989.47 and 8,802.52

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Solution

The fourth proportional to 14,007.58, 20,989.47 and 8,802.52 is: 13,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.58 : 20,989.47 = 8,802.52 : x
  2. Step 2: Convert to fraction form
    14,007.58/20,989.47 = 8,802.52/x
  3. Step 3: Cross multiply
    14,007.58x = 20,989.47 × 8,802.52
  4. Step 4: Simplify right side
    14,007.58x = 184,760,210.00
  5. Step 5: Solve for x
    x = 184,760,210.00/14,007.58
  6. Step 6: Final answer
    x = 13,190.02

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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.