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Finding the Fourth Proportional to 8,602.02, 11,865.15 and 5,062.77

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Solution

The fourth proportional to 8,602.02, 11,865.15 and 5,062.77 is: 6,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.02 : 11,865.15 = 5,062.77 : x
  2. Step 2: Convert to fraction form
    8,602.02/11,865.15 = 5,062.77/x
  3. Step 3: Cross multiply
    8,602.02x = 11,865.15 × 5,062.77
  4. Step 4: Simplify right side
    8,602.02x = 60,070,525.47
  5. Step 5: Solve for x
    x = 60,070,525.47/8,602.02
  6. Step 6: Final answer
    x = 6,983.30

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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.