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Finding the Fourth Proportional to 45,359.40, 68,039.10 and 33,695.40

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Solution

The fourth proportional to 45,359.40, 68,039.10 and 33,695.40 is: 50,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,359.40 : 68,039.10 = 33,695.40 : x
  2. Step 2: Convert to fraction form
    45,359.40/68,039.10 = 33,695.40/x
  3. Step 3: Cross multiply
    45,359.40x = 68,039.10 × 33,695.40
  4. Step 4: Simplify right side
    45,359.40x = 2,292,604,690.14
  5. Step 5: Solve for x
    x = 2,292,604,690.14/45,359.40
  6. Step 6: Final answer
    x = 50,543.10

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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.