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Finding the Fourth Proportional to 10,502.51, 14,493.48 and 5,786.81

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Solution

The fourth proportional to 10,502.51, 14,493.48 and 5,786.81 is: 7,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.51 : 14,493.48 = 5,786.81 : x
  2. Step 2: Convert to fraction form
    10,502.51/14,493.48 = 5,786.81/x
  3. Step 3: Cross multiply
    10,502.51x = 14,493.48 × 5,786.81
  4. Step 4: Simplify right side
    10,502.51x = 83,871,015.00
  5. Step 5: Solve for x
    x = 83,871,015.00/10,502.51
  6. Step 6: Final answer
    x = 7,985.81

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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.