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Finding the Fourth Proportional to 79,011.63, 118,522.89 and 26,414.28

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Solution

The fourth proportional to 79,011.63, 118,522.89 and 26,414.28 is: 39,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.63 : 118,522.89 = 26,414.28 : x
  2. Step 2: Convert to fraction form
    79,011.63/118,522.89 = 26,414.28/x
  3. Step 3: Cross multiply
    79,011.63x = 118,522.89 × 26,414.28
  4. Step 4: Simplify right side
    79,011.63x = 3,130,696,802.87
  5. Step 5: Solve for x
    x = 3,130,696,802.87/79,011.63
  6. Step 6: Final answer
    x = 39,623.24

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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.