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Finding the Fourth Proportional to 8,807.82, 12,154.80 and 4,829.07

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Solution

The fourth proportional to 8,807.82, 12,154.80 and 4,829.07 is: 6,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.82 : 12,154.80 = 4,829.07 : x
  2. Step 2: Convert to fraction form
    8,807.82/12,154.80 = 4,829.07/x
  3. Step 3: Cross multiply
    8,807.82x = 12,154.80 × 4,829.07
  4. Step 4: Simplify right side
    8,807.82x = 58,696,380.04
  5. Step 5: Solve for x
    x = 58,696,380.04/8,807.82
  6. Step 6: Final answer
    x = 6,664.12

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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.