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Finding the Fourth Proportional to 74,648.84, 103,015.40 and 41,114.84

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Solution

The fourth proportional to 74,648.84, 103,015.40 and 41,114.84 is: 56,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.84 : 103,015.40 = 41,114.84 : x
  2. Step 2: Convert to fraction form
    74,648.84/103,015.40 = 41,114.84/x
  3. Step 3: Cross multiply
    74,648.84x = 103,015.40 × 41,114.84
  4. Step 4: Simplify right side
    74,648.84x = 4,235,460,967.88
  5. Step 5: Solve for x
    x = 4,235,460,967.88/74,648.84
  6. Step 6: Final answer
    x = 56,738.47

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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.