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Finding the Fourth Proportional to 40,535.80, 60,803.90 and 18,323.17

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Solution

The fourth proportional to 40,535.80, 60,803.90 and 18,323.17 is: 27,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,535.80 : 60,803.90 = 18,323.17 : x
  2. Step 2: Convert to fraction form
    40,535.80/60,803.90 = 18,323.17/x
  3. Step 3: Cross multiply
    40,535.80x = 60,803.90 × 18,323.17
  4. Step 4: Simplify right side
    40,535.80x = 1,114,120,196.36
  5. Step 5: Solve for x
    x = 1,114,120,196.36/40,535.80
  6. Step 6: Final answer
    x = 27,484.85

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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.