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Finding the Fourth Proportional to 40,649.69, 60,975.62 and 11,068.13

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Solution

The fourth proportional to 40,649.69, 60,975.62 and 11,068.13 is: 16,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,649.69 : 60,975.62 = 11,068.13 : x
  2. Step 2: Convert to fraction form
    40,649.69/60,975.62 = 11,068.13/x
  3. Step 3: Cross multiply
    40,649.69x = 60,975.62 × 11,068.13
  4. Step 4: Simplify right side
    40,649.69x = 674,886,033.65
  5. Step 5: Solve for x
    x = 674,886,033.65/40,649.69
  6. Step 6: Final answer
    x = 16,602.49

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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.