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Finding the Fourth Proportional to 7,536.01, 10,400.77 and 4,179.57

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Solution

The fourth proportional to 7,536.01, 10,400.77 and 4,179.57 is: 5,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.01 : 10,400.77 = 4,179.57 : x
  2. Step 2: Convert to fraction form
    7,536.01/10,400.77 = 4,179.57/x
  3. Step 3: Cross multiply
    7,536.01x = 10,400.77 × 4,179.57
  4. Step 4: Simplify right side
    7,536.01x = 43,470,746.27
  5. Step 5: Solve for x
    x = 43,470,746.27/7,536.01
  6. Step 6: Final answer
    x = 5,768.40

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Half scale
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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.