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Finding the Fourth Proportional to 6,887.65, 10,332.93 and 3,599.86

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Solution

The fourth proportional to 6,887.65, 10,332.93 and 3,599.86 is: 5,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.65 : 10,332.93 = 3,599.86 : x
  2. Step 2: Convert to fraction form
    6,887.65/10,332.93 = 3,599.86/x
  3. Step 3: Cross multiply
    6,887.65x = 10,332.93 × 3,599.86
  4. Step 4: Simplify right side
    6,887.65x = 37,197,101.39
  5. Step 5: Solve for x
    x = 37,197,101.39/6,887.65
  6. Step 6: Final answer
    x = 5,400.55

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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.