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Finding the Fourth Proportional to 77,809.70, 116,733.04 and 25,219.22

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Solution

The fourth proportional to 77,809.70, 116,733.04 and 25,219.22 is: 37,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,809.70 : 116,733.04 = 25,219.22 : x
  2. Step 2: Convert to fraction form
    77,809.70/116,733.04 = 25,219.22/x
  3. Step 3: Cross multiply
    77,809.70x = 116,733.04 × 25,219.22
  4. Step 4: Simplify right side
    77,809.70x = 2,943,916,217.03
  5. Step 5: Solve for x
    x = 2,943,916,217.03/77,809.70
  6. Step 6: Final answer
    x = 37,834.82

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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.