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Finding the Fourth Proportional to 36,751.20, 55,155.60 and 17,032.20

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Solution

The fourth proportional to 36,751.20, 55,155.60 and 17,032.20 is: 25,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.20 : 55,155.60 = 17,032.20 : x
  2. Step 2: Convert to fraction form
    36,751.20/55,155.60 = 17,032.20/x
  3. Step 3: Cross multiply
    36,751.20x = 55,155.60 × 17,032.20
  4. Step 4: Simplify right side
    36,751.20x = 939,421,210.32
  5. Step 5: Solve for x
    x = 939,421,210.32/36,751.20
  6. Step 6: Final answer
    x = 25,561.65

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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.