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Finding the Fourth Proportional to 54,818.76, 75,649.76 and 29,668.28

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Solution

The fourth proportional to 54,818.76, 75,649.76 and 29,668.28 is: 40,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.76 : 75,649.76 = 29,668.28 : x
  2. Step 2: Convert to fraction form
    54,818.76/75,649.76 = 29,668.28/x
  3. Step 3: Cross multiply
    54,818.76x = 75,649.76 × 29,668.28
  4. Step 4: Simplify right side
    54,818.76x = 2,244,398,261.61
  5. Step 5: Solve for x
    x = 2,244,398,261.61/54,818.76
  6. Step 6: Final answer
    x = 40,942.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.