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Finding the Fourth Proportional to 29,303.61, 43,985.94 and 14,523.12

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Solution

The fourth proportional to 29,303.61, 43,985.94 and 14,523.12 is: 21,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.61 : 43,985.94 = 14,523.12 : x
  2. Step 2: Convert to fraction form
    29,303.61/43,985.94 = 14,523.12/x
  3. Step 3: Cross multiply
    29,303.61x = 43,985.94 × 14,523.12
  4. Step 4: Simplify right side
    29,303.61x = 638,813,084.93
  5. Step 5: Solve for x
    x = 638,813,084.93/29,303.61
  6. Step 6: Final answer
    x = 21,799.81

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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.