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Finding the Fourth Proportional to 8,807.28, 12,153.49 and 4,827.63

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Solution

The fourth proportional to 8,807.28, 12,153.49 and 4,827.63 is: 6,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.28 : 12,153.49 = 4,827.63 : x
  2. Step 2: Convert to fraction form
    8,807.28/12,153.49 = 4,827.63/x
  3. Step 3: Cross multiply
    8,807.28x = 12,153.49 × 4,827.63
  4. Step 4: Simplify right side
    8,807.28x = 58,672,552.93
  5. Step 5: Solve for x
    x = 58,672,552.93/8,807.28
  6. Step 6: Final answer
    x = 6,661.82

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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.