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Finding the Fourth Proportional to 14,807.02, 20,435.98 and 8,433.62

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Solution

The fourth proportional to 14,807.02, 20,435.98 and 8,433.62 is: 11,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.02 : 20,435.98 = 8,433.62 : x
  2. Step 2: Convert to fraction form
    14,807.02/20,435.98 = 8,433.62/x
  3. Step 3: Cross multiply
    14,807.02x = 20,435.98 × 8,433.62
  4. Step 4: Simplify right side
    14,807.02x = 172,349,241.04
  5. Step 5: Solve for x
    x = 172,349,241.04/14,807.02
  6. Step 6: Final answer
    x = 11,639.70

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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.