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Finding the Fourth Proportional to 75,087, 103,620.06 and 41,555.16

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Solution

The fourth proportional to 75,087, 103,620.06 and 41,555.16 is: 57,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087 : 103,620.06 = 41,555.16 : x
  2. Step 2: Convert to fraction form
    75,087/103,620.06 = 41,555.16/x
  3. Step 3: Cross multiply
    75,087x = 103,620.06 × 41,555.16
  4. Step 4: Simplify right side
    75,087x = 4,305,948,172.51
  5. Step 5: Solve for x
    x = 4,305,948,172.51/75,087
  6. Step 6: Final answer
    x = 57,346.12

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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.