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Finding the Fourth Proportional to 8,530.02, 11,772.29 and 4,753.80

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Solution

The fourth proportional to 8,530.02, 11,772.29 and 4,753.80 is: 6,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.02 : 11,772.29 = 4,753.80 : x
  2. Step 2: Convert to fraction form
    8,530.02/11,772.29 = 4,753.80/x
  3. Step 3: Cross multiply
    8,530.02x = 11,772.29 × 4,753.80
  4. Step 4: Simplify right side
    8,530.02x = 55,963,112.20
  5. Step 5: Solve for x
    x = 55,963,112.20/8,530.02
  6. Step 6: Final answer
    x = 6,560.72

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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.