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Finding the Fourth Proportional to 35,391, 53,110.80 and 14,614.68

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Solution

The fourth proportional to 35,391, 53,110.80 and 14,614.68 is: 21,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391 : 53,110.80 = 14,614.68 : x
  2. Step 2: Convert to fraction form
    35,391/53,110.80 = 14,614.68/x
  3. Step 3: Cross multiply
    35,391x = 53,110.80 × 14,614.68
  4. Step 4: Simplify right side
    35,391x = 776,197,346.54
  5. Step 5: Solve for x
    x = 776,197,346.54/35,391
  6. Step 6: Final answer
    x = 21,932.05

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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.