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Finding the Fourth Proportional to 43,970.93, 65,955.48 and 10,691.17

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Solution

The fourth proportional to 43,970.93, 65,955.48 and 10,691.17 is: 16,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.93 : 65,955.48 = 10,691.17 : x
  2. Step 2: Convert to fraction form
    43,970.93/65,955.48 = 10,691.17/x
  3. Step 3: Cross multiply
    43,970.93x = 65,955.48 × 10,691.17
  4. Step 4: Simplify right side
    43,970.93x = 705,141,044.13
  5. Step 5: Solve for x
    x = 705,141,044.13/43,970.93
  6. Step 6: Final answer
    x = 16,036.53

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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.