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Finding the Fourth Proportional to 23,666.84, 32,659.52 and 12,911.93

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Solution

The fourth proportional to 23,666.84, 32,659.52 and 12,911.93 is: 17,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,666.84 : 32,659.52 = 12,911.93 : x
  2. Step 2: Convert to fraction form
    23,666.84/32,659.52 = 12,911.93/x
  3. Step 3: Cross multiply
    23,666.84x = 32,659.52 × 12,911.93
  4. Step 4: Simplify right side
    23,666.84x = 421,697,272.78
  5. Step 5: Solve for x
    x = 421,697,272.78/23,666.84
  6. Step 6: Final answer
    x = 17,818.07

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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.