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Finding the Fourth Proportional to 8,808.88, 12,156.16 and 4,829.98

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Solution

The fourth proportional to 8,808.88, 12,156.16 and 4,829.98 is: 6,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.88 : 12,156.16 = 4,829.98 : x
  2. Step 2: Convert to fraction form
    8,808.88/12,156.16 = 4,829.98/x
  3. Step 3: Cross multiply
    8,808.88x = 12,156.16 × 4,829.98
  4. Step 4: Simplify right side
    8,808.88x = 58,714,015.71
  5. Step 5: Solve for x
    x = 58,714,015.71/8,808.88
  6. Step 6: Final answer
    x = 6,665.32

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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.