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Finding the Fourth Proportional to 53,191.34, 79,859.91 and 33,411.14

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Solution

The fourth proportional to 53,191.34, 79,859.91 and 33,411.14 is: 50,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.34 : 79,859.91 = 33,411.14 : x
  2. Step 2: Convert to fraction form
    53,191.34/79,859.91 = 33,411.14/x
  3. Step 3: Cross multiply
    53,191.34x = 79,859.91 × 33,411.14
  4. Step 4: Simplify right side
    53,191.34x = 2,668,210,633.40
  5. Step 5: Solve for x
    x = 2,668,210,633.40/53,191.34
  6. Step 6: Final answer
    x = 50,162.50

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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.