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Finding the Fourth Proportional to 75,391.76, 113,090.78 and 25,476.93

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Solution

The fourth proportional to 75,391.76, 113,090.78 and 25,476.93 is: 38,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,391.76 : 113,090.78 = 25,476.93 : x
  2. Step 2: Convert to fraction form
    75,391.76/113,090.78 = 25,476.93/x
  3. Step 3: Cross multiply
    75,391.76x = 113,090.78 × 25,476.93
  4. Step 4: Simplify right side
    75,391.76x = 2,881,205,949.40
  5. Step 5: Solve for x
    x = 2,881,205,949.40/75,391.76
  6. Step 6: Final answer
    x = 38,216.46

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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.