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Finding the Fourth Proportional to 8,369.63, 11,549.99 and 4,832.76

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Solution

The fourth proportional to 8,369.63, 11,549.99 and 4,832.76 is: 6,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.63 : 11,549.99 = 4,832.76 : x
  2. Step 2: Convert to fraction form
    8,369.63/11,549.99 = 4,832.76/x
  3. Step 3: Cross multiply
    8,369.63x = 11,549.99 × 4,832.76
  4. Step 4: Simplify right side
    8,369.63x = 55,818,385.07
  5. Step 5: Solve for x
    x = 55,818,385.07/8,369.63
  6. Step 6: Final answer
    x = 6,669.16

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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.