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Finding the Fourth Proportional to 52,953.69, 79,441.48 and 15,514.99

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Solution

The fourth proportional to 52,953.69, 79,441.48 and 15,514.99 is: 23,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,953.69 : 79,441.48 = 15,514.99 : x
  2. Step 2: Convert to fraction form
    52,953.69/79,441.48 = 15,514.99/x
  3. Step 3: Cross multiply
    52,953.69x = 79,441.48 × 15,514.99
  4. Step 4: Simplify right side
    52,953.69x = 1,232,533,331.79
  5. Step 5: Solve for x
    x = 1,232,533,331.79/52,953.69
  6. Step 6: Final answer
    x = 23,275.68

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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.