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Finding the Fourth Proportional to 53,349.69, 79,997.87 and 17,798.63

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Solution

The fourth proportional to 53,349.69, 79,997.87 and 17,798.63 is: 26,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,349.69 : 79,997.87 = 17,798.63 : x
  2. Step 2: Convert to fraction form
    53,349.69/79,997.87 = 17,798.63/x
  3. Step 3: Cross multiply
    53,349.69x = 79,997.87 × 17,798.63
  4. Step 4: Simplify right side
    53,349.69x = 1,423,852,488.92
  5. Step 5: Solve for x
    x = 1,423,852,488.92/53,349.69
  6. Step 6: Final answer
    x = 26,689.05

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1.5x scale

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.