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Finding the Fourth Proportional to 41,160, 56,814.72 and 25,649.76

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Solution

The fourth proportional to 41,160, 56,814.72 and 25,649.76 is: 35,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,160 : 56,814.72 = 25,649.76 : x
  2. Step 2: Convert to fraction form
    41,160/56,814.72 = 25,649.76/x
  3. Step 3: Cross multiply
    41,160x = 56,814.72 × 25,649.76
  4. Step 4: Simplify right side
    41,160x = 1,457,283,932.47
  5. Step 5: Solve for x
    x = 1,457,283,932.47/41,160
  6. Step 6: Final answer
    x = 35,405.34

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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.