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Finding the Fourth Proportional to 55,997.04, 83,995.60 and 19,061.04

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Solution

The fourth proportional to 55,997.04, 83,995.60 and 19,061.04 is: 28,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997.04 : 83,995.60 = 19,061.04 : x
  2. Step 2: Convert to fraction form
    55,997.04/83,995.60 = 19,061.04/x
  3. Step 3: Cross multiply
    55,997.04x = 83,995.60 × 19,061.04
  4. Step 4: Simplify right side
    55,997.04x = 1,601,043,491.42
  5. Step 5: Solve for x
    x = 1,601,043,491.42/55,997.04
  6. Step 6: Final answer
    x = 28,591.57

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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.