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Finding the Fourth Proportional to 53,097.81, 79,695.93 and 26,821.01

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Solution

The fourth proportional to 53,097.81, 79,695.93 and 26,821.01 is: 40,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.81 : 79,695.93 = 26,821.01 : x
  2. Step 2: Convert to fraction form
    53,097.81/79,695.93 = 26,821.01/x
  3. Step 3: Cross multiply
    53,097.81x = 79,695.93 × 26,821.01
  4. Step 4: Simplify right side
    53,097.81x = 2,137,524,937.01
  5. Step 5: Solve for x
    x = 2,137,524,937.01/53,097.81
  6. Step 6: Final answer
    x = 40,256.37

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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.