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Finding the Fourth Proportional to 53,097.55, 79,651.28 and 17,559

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Solution

The fourth proportional to 53,097.55, 79,651.28 and 17,559 is: 26,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.55 : 79,651.28 = 17,559 : x
  2. Step 2: Convert to fraction form
    53,097.55/79,651.28 = 17,559/x
  3. Step 3: Cross multiply
    53,097.55x = 79,651.28 × 17,559
  4. Step 4: Simplify right side
    53,097.55x = 1,398,596,869.42
  5. Step 5: Solve for x
    x = 1,398,596,869.42/53,097.55
  6. Step 6: Final answer
    x = 26,340.14

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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.