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Finding the Fourth Proportional to 14,967.66, 20,655.51 and 8,253.51

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Solution

The fourth proportional to 14,967.66, 20,655.51 and 8,253.51 is: 11,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.66 : 20,655.51 = 8,253.51 : x
  2. Step 2: Convert to fraction form
    14,967.66/20,655.51 = 8,253.51/x
  3. Step 3: Cross multiply
    14,967.66x = 20,655.51 × 8,253.51
  4. Step 4: Simplify right side
    14,967.66x = 170,480,458.34
  5. Step 5: Solve for x
    x = 170,480,458.34/14,967.66
  6. Step 6: Final answer
    x = 11,389.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.