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Finding the Fourth Proportional to 60,119.70, 82,991.75 and 35,929.20

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Solution

The fourth proportional to 60,119.70, 82,991.75 and 35,929.20 is: 49,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,119.70 : 82,991.75 = 35,929.20 : x
  2. Step 2: Convert to fraction form
    60,119.70/82,991.75 = 35,929.20/x
  3. Step 3: Cross multiply
    60,119.70x = 82,991.75 × 35,929.20
  4. Step 4: Simplify right side
    60,119.70x = 2,981,827,184.10
  5. Step 5: Solve for x
    x = 2,981,827,184.10/60,119.70
  6. Step 6: Final answer
    x = 49,598.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.