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Finding the Fourth Proportional to 6,341.76, 8,751.51 and 3,509.10

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Solution

The fourth proportional to 6,341.76, 8,751.51 and 3,509.10 is: 4,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.76 : 8,751.51 = 3,509.10 : x
  2. Step 2: Convert to fraction form
    6,341.76/8,751.51 = 3,509.10/x
  3. Step 3: Cross multiply
    6,341.76x = 8,751.51 × 3,509.10
  4. Step 4: Simplify right side
    6,341.76x = 30,709,923.74
  5. Step 5: Solve for x
    x = 30,709,923.74/6,341.76
  6. Step 6: Final answer
    x = 4,842.49

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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.