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Finding the Fourth Proportional to 8,341.66, 11,509.89 and 4,756.55

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Solution

The fourth proportional to 8,341.66, 11,509.89 and 4,756.55 is: 6,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.66 : 11,509.89 = 4,756.55 : x
  2. Step 2: Convert to fraction form
    8,341.66/11,509.89 = 4,756.55/x
  3. Step 3: Cross multiply
    8,341.66x = 11,509.89 × 4,756.55
  4. Step 4: Simplify right side
    8,341.66x = 54,747,367.28
  5. Step 5: Solve for x
    x = 54,747,367.28/8,341.66
  6. Step 6: Final answer
    x = 6,563.13

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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.