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Finding the Fourth Proportional to 53,260.55, 79,884.93 and 19,064.97

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Solution

The fourth proportional to 53,260.55, 79,884.93 and 19,064.97 is: 28,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,260.55 : 79,884.93 = 19,064.97 : x
  2. Step 2: Convert to fraction form
    53,260.55/79,884.93 = 19,064.97/x
  3. Step 3: Cross multiply
    53,260.55x = 79,884.93 × 19,064.97
  4. Step 4: Simplify right side
    53,260.55x = 1,523,004,057.83
  5. Step 5: Solve for x
    x = 1,523,004,057.83/53,260.55
  6. Step 6: Final answer
    x = 28,595.35

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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.