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Finding the Fourth Proportional to 74,664.68, 103,037.25 and 41,130.68

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Solution

The fourth proportional to 74,664.68, 103,037.25 and 41,130.68 is: 56,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.68 : 103,037.25 = 41,130.68 : x
  2. Step 2: Convert to fraction form
    74,664.68/103,037.25 = 41,130.68/x
  3. Step 3: Cross multiply
    74,664.68x = 103,037.25 × 41,130.68
  4. Step 4: Simplify right side
    74,664.68x = 4,237,991,642.64
  5. Step 5: Solve for x
    x = 4,237,991,642.64/74,664.68
  6. Step 6: Final answer
    x = 56,760.33

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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.