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Finding the Fourth Proportional to 49,160.70, 73,631.70 and 40,412.70

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Solution

The fourth proportional to 49,160.70, 73,631.70 and 40,412.70 is: 60,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,160.70 : 73,631.70 = 40,412.70 : x
  2. Step 2: Convert to fraction form
    49,160.70/73,631.70 = 40,412.70/x
  3. Step 3: Cross multiply
    49,160.70x = 73,631.70 × 40,412.70
  4. Step 4: Simplify right side
    49,160.70x = 2,975,655,802.59
  5. Step 5: Solve for x
    x = 2,975,655,802.59/49,160.70
  6. Step 6: Final answer
    x = 60,529.16

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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.